The March 4 primaries

Clinton wins Texas, Ohio; McCain clinches GOP nomination

Hillary Rodham Clinton, fresh off big primary victories, hinted Wednesday at the possibility of sharing the Democratic presidential ticket with Barack Obama -- with her at the top. Obama played down his losses, stressing that he still holds the lead in number of delegates.

McCain can prepare for the big fight; Awaits Bush endorsement

A triumphant John McCain was headed to the White House Wednesday for an endorsement by President George W. Bush after easily winning all the delegates he needs to secure the GOP presidential nomination Tuesday.

Clinton barbs begin to take toll on Obama

A political eternity has passed since Barack Obama's Super Tuesday tie with Hillary Clinton.

Clinton ready for day of reckoning

Hillary Rodham Clinton steeled herself for a day of political reckoning as voters headed to the polls Tuesday in Ohio and Texas, showdown states where Clinton hopes to resuscitate her once high-flying candidacy – and rival Barack Obama hopes to score a knockout punch.

Obama faces tough questions on NAFTA, integrity

On the eve of contests he hopes will force Hillary Rodham Clinton from the presidential race, Barack Obama faced a barrage of attacks Monday about his integrity, foremost among them whether he engaged in double-speak about his opposition to the North American Free Trade Agreement.

Animation: High gas prices