First Read covers the Trump-Bush 9/11 flap today:
Spoiling for a fight: Why the aggressive response from Bush now? One thing that’s clear from Team Jeb’s big reaction on the Trump comments is that this a campaign that’s been looking for a fight. NBC’s Peter Alexander reports that Bush’s new ad hammering Trump’s “judgment” on foreign policy and military issues has been in the can for more than a month; the Bush team was just waiting for the right moment to blast it out. The campaign has been treading water, and they’re hoping that this is the spark that jolts them into a dominant position.