Political Memo: State of Uncertainty for Romney Camp as It Looks to Iowa

After an unsatisfactory showing at the Iowa caucuses in 2008, Mitt Romney is weighing the question of how extensively he should campaign there.

The Caucus: Pawlenty to Announce 2012 Run

Tim Pawlenty will announce his intention to join the Republican presidential field on Monday in Iowa, an adviser said.

Tea Party Gets Early Start on G.O.P. Targets for 2012

Supporters are organizing early, they say, to prevent what happened last year, when several Tea Party candidates split the vote in primaries.

Final Days of an Unlikely Run for Senate

In the final days of an unlikely Senate race, Alvin Greene, the Democratic nominee in South Carolina, seemed to be having the time of his life.

Defeated Alaska Senator to Run Write-In Campaign

Senator Lisa Murkowski, who lost her state’s Republican primary last month to a Tea-Party-backed conservative, is likely to face steep odds.

Rangel Easily Defeats Five Primary Rivals

Charles B. Rangel, facing a host of ethics charges in Washington, was leading in a district in which the Democratic nomination is tantamount to a general election victory.

G.O.P. Insurgents Win in Del. and N.Y.

The Tea Party movement scored another victory, helping Christine O’Donnell, a dissident Republican, to a win over Representative Michael N. Castle in Delaware.

Feud With Palin in Background of Alaska Upset

Sarah Palin reveled in the primary upset of Senator Lisa Murkowski, but tensions began well before.

Murkowski Concedes Senate Race in Alaska

Joe Miller, a challenger backed by Tea Party activists, won the Republican primary.

Powell vs. Rangel: Testy Remake After 40 Years

Adam Clayton Powell IV and Charles B. Rangel, the 20-term Harlem congressman who succeeded Mr.

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