Primary Update

The primaries in Texas, Ohio, Rhode Island and Vermont are today, and even though Barack Obama seemed to be making his own path to the Democratic presidential nomination easier by gaining on Hillary Clinton in the days leading up to the voting, Hillary seems to have gained a last-minute upper hand with ads touting her national security credentials in Texas and questions about an Obama aide talking to a Canadian diplomat at the Canadian consulate in Chicago about NAFTA concerns north of the border that allegedly contradict Obama's anti-NAFTA message. Hillary could conceivably win Ohio and Rhode Island and eke out a last-minute victory in Texas and keep the Democratic race alive, which the media would clearly love. Except Obama could still come out ahead in delegates by still winning decisively in Vermont.

It ain't over yet.

Meanwhile, John McCain should have enough delegates after tonight to clinch the Republican presidential nomination. The irony is that the front-loading of the primary and caucus calendar was supposed to help the Democrats decide their nominee early.