Democrat Barack Obama, campaigning in a state that poses several problems for him in the fall, appealed to working-class voters Wednesday with a pledge to pump an extra $200 million a year into efforts to revitalize the nation's manufacturing sector.

Democrat Barack Obama has won the endorsement of NARAL Pro-Choice America, a leading abortion rights advocacy organization that has supported Hillary Clinton throughout her political career.

Barack Obama is in hot pursuit of general election voters, hoping America won't notice he got his head handed to him in West Virginia.

Sen. Hillary Rodham Clinton won the West Virginia primary Tuesday, beating Sen. Barack Obama by a wide margin but scarcely slowing his march to the Democratic nomination.

From will.i.am's star-studded viral hit "Yes We Can" to Spanish-language tunes and even a Jamaican reggae tribute, Sen. Barack Obama is the leader in what observers are calling a new form of political campaigning

Barack Obama's wave of superdelegate endorsements puts him within reach of the Democratic presidential nomination by  June 3 — even if he loses half of the remaining six contests.

Barack Obama's presidential campaign announced Monday that he will visit politically neglected Florida and Michigan, as he focuses on a general election strategy with his primary race winding down.

For the first time, Sen. Barack Obama has taken the lead in committed superdelegates

Democratic presidential contenders Barack Obama and Hillary Rodham Clinton were preparing for Tuesday's primary in West Virginia, a contest that Clinton is heavily favored to win but which likely won't dent Obama's almost insurmountable lead in the delegate count.

Former Democratic presidential hopeful John Edwards said Sunday that he thinks Barack Obama will be the party's presidential nominee and that Hillary Rodham Clinton must be careful not to damage the party's prospects in November as she continues her campaign.