Presidential candidates rush to fatten coffers

With much at stake, key deadline for campaign-finance data looms.

Presidential candidates are advertising early and often

Ad rates are cheaper in Iowa and New Hampshire. But, some voters say, enough!

Uncertainty leading in race for president

The scramble for which primaries will be held when could influence the election in ways no one can predict.

Clinton growing on Iowans

The senator is gaining ground in a state where she's been a tough sell.

Rivals take aim at Clinton

She was challenged on Iraq, Iran, electability in race’s most heated clash.