David Welna David Welna is NPR's national security correspondent.
Alito Confirmed as Newest Supreme Court Justice
Senate Ends Debate on Alito Nomination; Vote Nears
Kerry Eyes Filibuster over Alito Nomination
Kerry, Kennedy Threaten Filibuster on Alito
Democrats, GOP Debate Alito Nomination in Senate
Bitter Debate in Senate Continues on Alito
Congress Divided over Practice of Budget 'Earmarks'
The Abramoff Case's Partisan Fallout
Pentagon, Lawmakers Review Body Armor Standards
Filibuster a Possibility in Alito Nomination
Ney in the Eyes of His Constituents
Memorable Moments on the Senate Floor
Daschle Says Congress Did Not Approve U.S. Wiretaps
Frist's Presidential Ambitions Suffer Setbacks