David Welna David Welna is NPR's national security correspondent.
National Security Will Top Democrats' Agenda
Senator Responsive After Emergency Surgery
Will the Democrats Squeeze Iraq Spending?
S.D. Sen. Johnson in Critical Condition After Surgery
Sen. Johnson Remains in Hospital; Stroke Ruled Out
Congress Ends Lame-Duck Session at Loose Ends
Congress Welcomes Gates Amid Calls for Change
Senate Expected to Confirm Gates for Defense
Past Confirmation Questions Shadow Gates' Hearing
Congress Unlikely to Complete Budget Duties
No Confirmation Battle Seen for Gates
Senate Approves Nuclear Deal with India
Trent Lott Returns to the Spotlight with Whip Win
Lame-Duck Congress Makes Final Legislative Run
Sen. Allen Concedes Defeat; Dems Control Congress