His lead in North Carolina is dwindling, but he's closing in on Senator Clinton in superdelegates.
Obama and Clinton are in a tight race heading into the May 6 contest.
His big lead in North Carolina slips heading into May 6 primary; exodus of whites cited.
Many understand, but some may doubt Obama's 'blackness.'
Bush and Democrats in Congress disagree on how much onus to put on individuals vs. financial, energy industries
Obama's former pastor launched a public-relations blitz.
Democrats tackle issues from college tuition to healthcare.
A Christian Science perspective on daily life.
National parks clear trees from original battlefield 'sight lines,' delighting (and appalling) students of history.