As Monday's filing deadline approaches, give credit to Jack McDonald for realizing he was entering a race he could not win. Maybe he'll be back in'12. All you have to do is look at the numbers on the east side of CD10 to see that any Democrat would be wasting their time and money this cycle.
In 2008 McCaul beat Larry Joe Doherty by 36,000 votes district-wide despite a Libertarian who took almost 10,000. McCaul won 68% of the vote in Harris County . Harris accounted for 55% of the total vote.
2008 was the best Democratic political climate in years. Compare it to today's climate and you can see why McDonald decided to keep his powder dry.