The race for the Democratic presidential nomination remains tight after" Super Tuesday," while Sen. John McCain posts decisive results in the Republican race.

Corporate America is pouring money into the U.S. presidential campaign at an unprecedented rate, with a torrent of donations coming from the businesses behind the subprime mortgage crisis.

The U.S. Senate Thursday pushed back until next week a showdown on an economic stimulus package, with Democrats seeking to expand the tax rebates and other benefits approved by the House.

Sen. John McCain won the Florida Republican primary on Tuesday, defeating rival Mitt Romney in a close contest that gave momentum to his effort to become the party's U.S. presidential candidate, U.S. media projected.

The House passed a $146 billion economic recovery package. The package faces an uncertain future in the Senate, where lawmakers in both parties are trying to tack on billions for senior citizens and the unemployed.

The New York Times endorsed Democratic Sen. Hillary Clinton and Republican Sen. John McCain for their party's nominations to contest the U.S. presidential in November.

Mitt Romney scored a breakthrough win in the Michigan primary on Tuesday, reviving his struggling campaign, halting rival John McCain's momentum and further scrambling a chaotic Republican presidential race with no clear front-runner.

Democrat Hillary Clinton defied the polls and narrowly upset Barack Obama in New Hampshire on Tuesday, breathing new life into her U.S. presidential campaign after finishing third in Iowa.

Voting in New Hampshire ends at 8 p.m. EST on Tuesday, with results expected to begin rolling in quickly.

A teary-eyed Hillary Clinton pushed for support on Monday as polls showed her poised for a huge New Hampshire loss to Democratic rival Barack Obama, but the former front-runner vowed to carry on with her presidential quest even if she loses.

Democratic presidential candidate Hillary Clinton battled to keep crucial New Hampshire from swinging to rival Barack Obama, but new polls showed him jumping into the lead.

Barack Obama took a big step on Thursday toward becoming the first black U.S. president as his campaign for change caught fire in Iowa and swept him past Hillary Clinton in the opening Democratic nominating contest.

Regardless of what happens today in Iowa, the 2008 presidential contest will come down to Hillary Clinton and Mitt Romney, according to a CNBC Trillion Dollar Snap Survey of some of the nation's top money managers, investment strategists and professional economists.