Ken Rudin

A poll of likely caucus voters in Iowa indicates Republican Mike Huckabee has opened up a lead over Mitt Romney. On the Democratic side, the poll gives Barack Obama a slight edge over Hillary Clinton and John Edwards, but that race is still very close.

After the retirement of Sen. John Warner, and with Sen. Larry Craig's seat in jeopardy, where do Republicans and Democrats in the Senate stand ahead of the 2008 elections?

In a press conference Thursday, Democratic presidential candidate John Edwards announced that he will continue his bid for the nomination, despite the news that his wife's cancer has relapsed.

California will hold an early presidential primary in 2008. What does it mean for candidates in the race? The California primary will now take place Feb. 5, just three weeks after the first contest in the race, the Iowa caucuses.

In an announcement made on his Web site, Sen. Barack Obama says he will form a presidential exploratory committee. The first-term Democrat says he will go into greater detail about his White House plans on Feb. 10.

As a special Independence Day weekend event, Liane Hansen tests the political trivia acumen -- and wits -- of NPR editors and NPR.org columnists Ron Elving and Ken Rudin. Find 15 additional questions online.

President Bush wins his second term in the White House as Sen. Kerry concedes the race. Both candidates set new records for the number of votes received in a presidential election, leading to quetsions of a mandate for President Bush. Hear NPR's Ken Rudin and NPR's Steve Inskeep.

Jacki Lyden interviews NPR's Ken Rudin about what may be at stake should the Senate elections result in a power shift or what could happen if the balance of power remains the same. (3:30)