WASHINGTON (Reuters) - Hillary Clinton's landslide West Virginia victory barely made a dent in Barack Obama's lead in the Democratic presidential race, but his renewed trouble winning white working-class support could raise warning flags for November.
links
- Clinton pushes on with uphill White House bid (http://feeds.reuters.com/~r/Reuters/PoliticsNews/~ 3/289798793/idUSN0839956720080514)