Despite trillions of dollars in revenue, a large swath of domestic and foreign corporations paid no U.S. income taxes between 1998 and 2005, according to a government study released Tuesday.

By PBS News Hour

The Senate passed an energy bill Thursday night that would require automobile makers to increase fuel economy standards to 35 miles per gallon by the year 2020. The NewsHour's Kwame Holman reports on the action on Capitol Hill.

Some senators on Tuesday challenged the part of the immigration bill that addresses temporary workers, with some vowing to limit or cut the program. The NewsHour takes a closer look at the interests surrounding the temporary worker program.

The British Parliament debated for 10 hours today about whether to join the offensive against Iraq. Kwame Holman reports on discussions in Britain and the conversations in Congress about the threat of war.