It was extremely unlikely that Hillary Clinton was going to overcome Barack Obama's lead in delegates, states and total votes and take the Democratic nomination, but Obama's speech this morning -- graceful, thoughtful, nuanced, sweeping, challenging, unprecedented -- pretty much wiped out any chance at all. It was a speech Hillary could never have given -- really, few U.S. politicians ever could have given. I write this not just because I think this will dampen the Rev. Wright controversy. I write this because Obama did an extraordinary job of presenting himself as the candidate of "the better angels of our...
