This report contains the exclusionary rule and its good-faith exception, including the opinion of the court and implications for congressional action on Davis v. United States.

The National Intelligence Council (NIC), composed of some 18 senior analysts and national security policy experts, provides the U.S. intelligence community's best judgments on crucial international issues. It is the purpose of this report to describe the statutory provisions that authorize the NIC, provide a brief history of its work, and review its role within the federal government. The report will focus on congressional interaction with the NIC and describe various options for modifying congressional oversight.

This report is intended as a primer on the policy issues, science, and governance of geoengineering technologies. The report will first set the policy parameters under which geoengineering technologies may be considered. It will then describe selected technologies in detail and discuss their status. The third section provides a discussion of possible approaches to governmental involvement in, and oversight of, geoengineering, including a summary of domestic and international instruments and institutions that may affect geoengineering projects.

This document provides information on the distribution of $606 million in monthly sales tax revenue to local government.

The United States and the other 153 members of the World Trade Organization (WTO) have been engaged in a set or "round" of negotiations called the Doha Development Agenda (DDA) since December 2001. The DDA's main objective is to refine and expand the rules by which WTO members conduct foreign trade with one another. This report is designed to assist the 112th Congress to understand and monitor progress of the negotiations and the major issues that the negotiators are addressing. The report provides a brief background section on the significance of services to the U.S. economy. It then explains briefly the General Agreement on Trade in Services (GATS) and the structure and agenda of the services negotiations in the DDA round, including U.S. objectives in the negotiations. The report concludes with a status report on the negotiations and an examination of potential results.

This report discusses North Atlantic Treaty Organization (NATO) burdensharing--the funding, via individual contributions from NATO member states, of certain commonly conducted activities. The report discusses how each NATO member state's contribution is negotiated, and how member states are reconsidering their defense budgets (and, thereby, their willingness and ability to contribute to NATO operations) in light of the global financial crisis.

The recent online publication of classified defense documents by the organization WikiLeaks and subsequent reporting by the New York Times and other news media have focused attention on whether such publication violates U.S. criminal law. The Justice Department and Department of Defense are investigating the circumstances to determine whether any prosecutions will be undertaken in connection with the disclosure. This report discusses the statutory prohibitions that may be implicated, including the Espionage Act; the extraterritorial application of such statutes; and the First Amendment implications related to such prosecutions against domestic or foreign media organizations and associated individuals. The report provides a summary of recent legislation relevant to the issue as well as some previous efforts to criminalize the unauthorized disclosure of classified information.

This report provides an overview of the relationship between executive and legislative authority over national security information, and summarizes the current laws that form the legal framework protecting classified information, including current executive orders and some agency regulations pertaining to the handling of unauthorized disclosures of classified information by government officers and employees. The report also summarizes criminal laws that pertain specifically to the unauthorized disclosure of classified information.

The Joint Light Tactical Vehicle (JLTV) is currently being developed by the Army and the Marine Corps as a successor to the 11 different versions of the High Mobility, Multi-Wheeled Vehicle (HMMWV) that have been in service since 1985. There are concerns about the affordability of JLTVs and its redundancy with other tactical wheeled vehicles.

This report discusses the Trans-Pacific Partnership Agreement (TPP), a free trade agreement that includes nations on both sides of the Pacific. Original members of the TPP were Brunei, Chile, New Zealand, and Singapore. The United States, Australia, Peru, and Vietnam have committed themselves to joining and expanding this group. This report discusses similar trade partnerships, the importance of Asia to U.S. trade and security interests, and U.S. participation in the TPP.

In 1986, the Harbor Maintenance Tax (HMT) was enacted to fund U.S. Army Corps of Engineers' (USACE or the Corps) activities related to the routine operation and maintenance (O&M) of harbors, namely the dredging of harbor channels to their authorized depths and widths. Economic and equity issues related to HMT expenditures and collections are the main focus of this report. Before analyzing these issues, the report reviews the legislative history of the tax and legal challenges to it, discusses the advantages and disadvantages of alternative funding mechanisms, and describes the commercial context of current dredging activity. The last section identifies legislation related to harbor maintenance funding.

The administration's proposal to terminate the alternate engine program for the F-35 Lightning II fighter is a significant issue for Congress in FY2012, with implications for the defense budget, military capability in the future, and the division of power between Congress and the executive branch. This report discusses these issues.

This report discusses background information on the V-22 Osprey Tilt-Rotor Aircraft, as well as procurement issues for FY2012 and related oversight issues for Congress.

This report discusses the pros and cons of a proposed AT&T and T-Mobile merger. The largest con would be that the merged company would have over 70% of the cell phone market share. The largest pro would be that a merged company would be able to provide better service to its customers. The report also gives a brief overview of the mobile phone industry as a whole.

The primary objectives of this report are to (1) provide a context for the state of food insecurity in the world; (2) provide an overview of the Obama Administration's global hunger and food security initiative, called Feed the Future; and (3) provide an overview of issues that the 112th Congress may consider in relation to agricultural development and global food security.

This report discusses nuclear energy issues currently facing Congress, such as federal incentives for new commercial reactors, radioactive waste management policy, research and development priorities, power plant safety and regulation, nuclear weapons proliferation, and security against terrorist attacks.

This report assesses recent international developments as the leaders from a number of nations work to reach a consensus on an informal set of best practices regarding national restrictions on foreign investment for national security purposes. This report also provides one possible approach for assessing the costs and benefits involved in using national policies to direct or to restrict foreign direct investment for national security reasons.

This report looks at the Food and Drug Administration (FDA) Food Safety Modernization Act and the Federal Food, Drug, and Cosmetic Act. It particularly looks at ways in which the 112th Congress may want to provide oversight for the Act.

Report that reviews the relationship between the United States, Taiwan, and China, and comprehensively reviews the evolution of the "one China" issue as it has been articulated in key statements by Washington, Beijing, and Taipei.

This report discusses U.S. security assistance for Taiwan, particularly policy issues for Congress. It also lists sales of major defense articles and services to Taiwan, as approved by the President and notified to Congress since 1990. This report uses a variety of unclassified consultations and citations in the United States and Taiwan.

This report looks at what government agencies are spending on advertising, including the difficulties of estimating advertising expenditures and the restrictions on government advertising.

This table provides access to names and contact information for CRS experts on policy concerns relating to public health and emergency preparedness.

This report discusses the Foreign Intelligence Surveillance Act (FISA) which provides a statutory framework by which government agencies may, when gathering foreign intelligence investigation, obtain authorization to conduct electronic surveillance or physical searches, utilize pen registers and trap and trace devices, or access specified business records and other tangible things. Authorization for such activities is typically obtained via a court order from the Foreign Intelligence Surveillance Court (FISC), a specialized court created to act as a neutral judicial decision maker in the context of FISA.

The Social Services Block Grant (SSBG) is a flexible source of funds that states may use to support a wide variety of social services activities. States have broad discretion over the use of these funds. This short report provides background information on the SSBG and tracks relevant legislation and appropriations measures.