Ken Rudin

The Democratic Party tried to resolve its longstanding dispute over delegates from Michigan and Florida. On Saturday, the party's Rules and Bylaws Committee agreed to seat all the delegates from the two states, but give them each just half-votes at the August national convention in Denver.

The economy is emerging as a big issue in the presidential campaign. Presidential contenders in both parties are touting their economic plans for reviving the ailing economy. Upcoming contests will be critical for some candidates.

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.

Liberal Rhode Island Sen. Lincoln Chafee defeats a challenge from conservative Steve Laffey in the Republican primary in a closely watched Senate races. In New York, Sen. Hillary Clinton trounces antiwar rival Jonathan Tasini, who unsuccessfully tried to replicate the David v. Goliath scenario in Connecticut.

The prospects of Judge Samuel Alito winning confirmation to the U.S. Supreme Court will probably rest with a group of senators known as the Gang of 14. Political Editor Ken Rudin looks at the group of seven Republican and seven Democratic senators who forged a Senate deal on judicial filibusters.

Several elections Tuesday are worth watching for the insights they may offer about the public mood. Political Editor Ken Rudin offers a race-by-race synopsis.