Hillary Clinton may have thumped Barack Obama in West Virginia, but it does little to alter the unforgiving political landscape she faces. 
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Hillary Clinton has scored a crushing win over Barack Obama in West Virginia and vowed to fight on, despite doing little to loosen his stranglehold.
White House candidate John McCain has proposed a cap-and-trade system designed to cut greenhouse gas emissions.
Democratic White House rivals Hillary Clinton and Barack Obama have had a brief encounter, taking a rare diversion from the campaign trail to the Senate.
A long-time friend and fundraiser of Barack Obama has been accused of using his political clout to demand kickbacks and win government contracts.
Former Republican Representative Bob Barr says he will run for president as a Libertarian, a development that could cost Republican candidate John McCain some votes.
New polls predict landslide wins for Hillary Clinton in two looming primaries, despite pressure for her to give up the race against Barack Obama.
A November face-off between John McCain and Barack Obama is taking shape, but Hillary Clinton is adamant she's still in the race.
The rival Democratic camps of Barack Obama and Hillary Clinton have denied they are in talks to end their White House race.
Barack Obama has erased Hillary Rodham Clinton's once-imposing lead among superdelegates, picking up nine more crucial nods from the all-important group.
Barack Obama has almost tied Hillary Rodham Clinton in the crucial superdelegate count that she once dominated.
The movement of Democratic superdelegates to presidential hopeful Barack Obama has gained steam, with endorsements expected from two more lawmakers.
John McCain's wife Cindy - heiress to a $100m fortune - she will never make her tax returns public, even if she becomes the first lady.
Barack Obama says he could declare victory over Hillary Clinton if Kentucky and Oregon put him over the top.
Some
Democrats are talking about the possibility of Barack Obama
taking Hillary Clinton on as his vice-presidential running mate.
Republican presidential hopeful John McCain, otherwise known as "Senator Hothead", has laughed off his reputedly bad temper.
Hillary Clinton has vowed to stay in her party's bitter White House race despite pressure to hand the baton to Barack Obama.
A former senator and early supporter of Hillary Clinton has urged her to drop out of the Democratic presidential race and backed her rival, Barack Obama.
Hillary Clinton has loaned her White House campaign $6.4m over the last month from her personal fortune, aides have said.
