UNEXPECTEDLY: “Officials say San Bernardino shooter pledged allegiance to ISIS during attack,” Ed Morrissey writes, adding:

“Having a good amount of ammo doesn’t mean you’re planning an attack.” Interestingly, I discussed this with another attendee at the Bullets & Bourbon event I’m at this weekend, and we agree. It’s not uncommon to have a significant number of rounds in hand in order to have enough to train at a range on short notice. One person noted that he has a few thousand rounds in his house at the moment, and he’s certainly not planning an attack. However, I’m pretty sure the number of pipe bombs in his house is, oh … zero. That’s not the case with Farook and Malik, as the Washington Post noted prior to the revelation this morning about the pledge to ISIS:

Read the whole thing.