Tonight, Barack Obama pulled off the strong victory he needed. He couldn't just win, he had to win by a solid margin and he had to do decently among white voters. Well, he won by 28 percentage points, better than any polls predicted (he now has won more delegates and votes than any other candidate). According to the exit polls, he won 80% of African Americans, without a gender gap.
But he also did better than expected among white voters, winning about a quarter (and a plurality of young and college-educated white voters, proving a generational gap exists - not a racial one). Anyway, this ensures the race stays heavily contentious through, at the very least, February 5th.
The massive turnout by Democrats in these primaries also continues to impress, showing an energized Democratic base waiting to kick Republican ass in November. Kos has a good post up on that here.
For now, you can read Caroline Kennedy's "A President Like My Father" and watch Obama give a hell of a victory speech: