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The report discusses the factors affecting airport and airspace capacity, Impact of Under-capacity on flight Operations and Impact on congestion on aviation safety.

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This report provides background and discussion of policy issues relating to U.S. ethanol production, especially ethanol made from corn.

This report provides an overview of selected topics which the 109th Congress may address in its examination of telecommunication issue.

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This report provides background on appearance of BSE(bovine spongiform encephalopathy or "mad cow disease") in North America.

Key components of federal policies to reduce fuel consumption include the promotion of alternatives to petroleum fuels and the promotion of more efficient vehicles. This report provides an overview of current issues surrounding alternative fuels and advanced technology vehicles — issues discussed in further detail in other CRS reports referred to in each section.

This report provides information about the Major Policy Issues and Status of Negotiations on the Free Trade Area of the Americas. The FTAA began as a commitment by 34 countries to consider a comprehensive trade agreement.

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This report provides information about the Implications of the Medicare Prescription Drug Benefit for Dual Eligibles and State Medicaid Programs. The report states the changes to eligibility for dual eligibles, changes to the scope of prescription coverage of the drugs.

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This report discuses the National Science Foundation (NSF), which provides support for investigator-initiated, merit-reviewed, competitively selected awards, state-of-the-art tools, and instrumentation and facilities. The majority of the research supported by the NSF is conducted at U.S. colleges and universities.

This report discusses appropriations for EPA water infrastructure programs, focusing on congressional earmarks in the account that funds these programs. Information on the programmatic history of EPA involvement in assisting wastewater treatment and drinking water projects is provided in two appendixes.

This report summarizes, in chronological order, congressional activity to fund items in the State and Tribal Assistance Grants (STAG) account since 1987. In appropriations legislation, funding for EPA (Environmental Protection Agency) wastewater assistance is contained in the measure providing funds for the Department of the Interior, Environment, and Related Agencies.

This report discusses relevant congressional actions that lead to the passing of Defense budgets for FY2007.

The first section summarizes the major features of the tax law affecting families and family choices, and how they developed over time, including the relatively recent introduction of large benefits for children at low and moderate income levels, a reversal of a trend in the past that tended to reduce these benefits through the erosion of the real value of the personal exemptions. It also summarizes the origin of the marriage penalty and marriage bonus. The following two sections first discuss general equity issues, and then apply the ability-to-pay standard to examine how tax burdens vary by family size, across the income spectrum. The final section examines the marriage penalties and bonuses.

This report provides background for understanding the U.S. and Canadian wheat trade dispute, as well as timelines, rulings, and other details for the International Trade Commission (ITC) and World Trade Organization (WTO) cases brought by the United States against Canadian wheat trading practices and the Canadian Wheat Board (CWB).

This report examines what we currently know about preprimary programs, including numbers of children served and their family characteristics; as well as data on the efficacy of preprimary programs in enhancing later learning and other life skills. It also discusses federal programs that serve preschool age children are described, and policy issues which may arise as the federal role in early childhood education.

This report provides a side-by-side comparison of the H.R. 2990 and S. 3850 bills’ major provisions.

This report discusses the Medicare Prescription Drug, Improvement, and Modernization Act of 2003 (MMA, P.L. 108-173), which added a new Medicare prescription drug benefit, implemented in January 2006. This report focuses on MMA provisions that added a voluntary prescription drug benefit under a new Medicare Part D, and the effect of this new benefit both on individuals who are dually eligible for Medicaid and Medicare, and on state Medicaid programs.