This report describes a new gene editing technology, known as CRISPR-Cas9, with the potential to revolutionize genetic engineering and the biotechnology industry. The report then provides information on the potential economic benefits of the technology and identifies some issues for congressional consideration, including the regulation of current and future products, national security concerns, and ethical and societal issues surrounding the use of the technology.

This report discusses regulations regarding an airline's responsibilities when a passenger with a confirmed ticket is denied boarding on a flight due to lack of seats (known as overselling). The various updates to the original regulation from 1967 are discussed with the latest modifications occurring in 2015.

This report provides U.S. war casualty statistics. It includes data tables containing the number of casualties among American military personnel who served in principal wars and combat operations from 1775 to the present. It also includes data on those wounded in action and information such as race and ethnicity, gender, branch of service, and cause of death. The tables are compiled from various Department of Defense (DOD) sources. Wars covered include the Revolutionary War, the War of 1812, the Mexican War, the Civil War, the Spanish-American War, World War I, World War II, the Korean War, the Vietnam Conflict, and the Persian Gulf War. Military operations covered include the Iranian Hostage Rescue Mission; Lebanon Peacekeeping; Urgent Fury in Grenada; Just Cause in Panama; Desert Shield and Desert Storm; Restore Hope in Somalia; Uphold Democracy in Haiti; Operation Enduring Freedom (OEF); Operation Iraqi Freedom (OIF); Operation New Dawn (OND); Operation Inherent Resolve (OIR); and Operation Freedom's Sentinel (OFS).

This report provides a basic framework for understanding how and why exchange rates could respond to a Border-Adjusted Tax (BAT). It first describes a BAT(which does not tax exports) and uses several examples to illustrate how one works. It then summarizes the standard economic theory of how exchange rates should respond to a BAT, as well as the arguments against the theoretical predictions. Finally, this report reviews the existing literature that has empirically investigated the relationship between exchange rates and BAT systems in other countries.

This report addresses several frequently asked questions related to the Budget Control Act (BCA) and the defense budget. The BCA limits discretionary spending on defense through the process of sequestration and was enacted in 2011. Recent proposals to remove the restrictions of the BCA on defense or raise the spending limits are also discussed.

This report provides an abbreviated background on the Central Valley Project (CVP) and State Water Project (SWP). It also provides a summary of recent hydrologic conditions in California and their effect on water deliveries.

This report discusses China's suspension of coal trade with North Korea for the remainder of 2017 which keeps China in compliance with an UN agreement to limit coal buying from North Korea that was implemented in November 2016 in response to continued nuclear tests by North Korea. Coal's value as an export to North Korea, China's trade with North Korea, quantities of coal and its value that was imported into China in 2016 and 2017, and possible reasons and implications for China's decision are discussed.

Quarterly report outlining tax revenues and remittances for alcoholic beverages, listed by city, for January-March 2017. It also compares the statistics to the same period for the previous year.

This report provides a brief history of the Congressional Arts Caucus and the Congressional Art Competition which is an art competition for high school students. It also provides a history of sponsorship and support for the caucus and the annual competition. The report includes copies of the original correspondence establishing the competition, a sample competition announcement, sample guidelines and required forms for the competition, and a chronological list of congressional co-chairs.

This report provides information about the rules and authorities that affect media coverage of Congress, current practices among the press galleries, and selected data on gallery membership since the 94th Congress. It also provides a brief discussion of considerations that commonly underlie the galleries' practices or may affect gallery operations and congressional media rules.

This report describes statutory requirements for allocating congressional nominations to service academies. It also identifies the qualifications that must be met by potential nominees, as established by statute and each academy. Finally, sample documents that could be used by congressional offices at various stages of the nomination selection process are included. These documents provide basic information and can be customized to fit the specific needs of individual office policies.

This report provides roll call vote data on Keystone XL Pipeline legislation identified by CRS using CQ.com's Roll Call Vote Report database as well as the Congress.gov legislative database. Roll call votes listed in the tables are broken down by chamber, Congress, and type of legislation--substantive votes (i.e., votes on amendments or passage of bills) versus procedural votes (e.g., votes to recommit the bill to a committee or to provide for the consideration of a bill). Votes are also listed in chronological order for each Congress. This report is current through the end of the 114th Congress and will be updated as events warrant.

This report identifies 17 constitutional points of order that have been raised and received a Senate vote since 1989. Eleven of these cases were disposed of negatively.

This report examines issues related to financial regulators and cost-benefit analysis' (CBA), including potential difficulties facing such regulators and methods available to them when preforming a CBA, the analytical requirements the agencies currently face, and the arguments for and against increasing requirements on financial regulators. This report also briefly describes several examples of proposed legislation that would change the requirements facing financial regulators.

This report provides resources for congressional staff researching cybersecurity issues and critical infrastructure.The annotated descriptions of these sources are listed in reverse chronological order with an emphasis on material published in the past several years.The report includes resources and studies from government agencies (federal, state, local, and international), think tanks, academic institutions, news organizations, and other sources. Table 1 contains overview reports and resources, Table 2 lists energy industry resources, Table 3 lists financial industry resources, Table 4 contains healthcare industry resources, Table 5 contains telecommunications and communication industry resources, and Table 6 contains transportation industry resources.

This report discusses the maintenance backlogs/deferred maintenance at the four federal land management agencies (the National Park Service, the Fish and Wildlife Service, the Bureau of Land Management, and the Forest Service). It first provides agency deferred maintenance estimates for FY2016, the most recent fiscal year for which this information is available. It also discusses changes in deferred maintenance over the past decade (FY2007-FY2016) and then identifies some of the factors that likely contributed to these changes.

This report provides background information for Congress on the levels of Department of Defense (DOD) troop and contractor personnel deployed in support of prior and ongoing military operations in Iraq and Afghanistan.

This report outlines the Department of Transportation's (DOT) appropriations for fiscal year 2017 and highlights selected areas of funding such as intercity passenger rail, Highway trust funding solvency, TIGER grants, and Essential Air Service (EAS).

This report reviews issues related to financial regulation and provides brief descriptions of major provisions of the Dodd-Frank Act, along with links to CRS products going in to greater depth on specific issues. It does not attempt to track the legislative debate in the 115th Congress.

This report discusses the confirmation of Judge Neil Gorsuch as a Supreme Court Justice and the effects he may have on current and upcoming cases as the ninth member of the Supreme Court.

This report first provides a general overview of the current Earned Income Tax Credit (EITC) credit. The report then summarizes the key legislative changes to the credit and provides analysis of some of the congressional intentions behind these changes. An overview of the current structure of the EITC can be found in Appendix A at the end of this report.

This report briefly poses and answers several "frequently asked questions" in relation to the floor proceedings used to elect a Speaker of the House. Current practice for electing a Speaker, either at the start of a Congress or in the event of a vacancy (e.g., death or resignation), is by roll-call vote, during which Members state aloud the name of their preferred candidate. Members may vote for any individual. If no candidate receives a majority of votes cast, balloting continues; in subsequent ballots, Members may still vote for any individual.

This report provides a brief history of FDA drug regulation, describes FDA's early risk management programs, and focuses on the agency's current risk management authorities, specifically risk evaluation and mitigation strategies (REMS). The report also discusses issues that have arisen as a result of REMS, particularly the impact on generic drug competition. It does not discuss antitrust issues raised by restricted distribution systems.

This report provides an overview of the government assistance available to individuals and households following a flood and provides links to more comprehensive guidance on both flood insurance and disaster assistance.