The general election bout has begun with Democrat Barack Obama and Republican John McCain sparring with each other, ignoring Hillary Clinton's efforts to stay in the ring with them.
The clearest indication that the election is moving into a new phase this week is that Obama and McCain are both campaigning in key November swing states, Nevada, New Mexico and Colorado.
They are also attacking each other, while Clinton doesn't even rate a mention.
Obama Blasts McCain-Bush Connection
Obama...
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