Where do they come up with this?

Patterico:

"See, if al Qaeda attacked Bush, it would be because Bush did such terrible things to the Arab world. If al Qaeda attacks Obama, it’s because Obama is getting under al Qaeda’s skin by being so gosh-darn popular with Arabs.

The idea that al Qaeda is just going to attack any American president doesn’t appear to have occurred to these chowderheads. The article is filled with analysis from “experts” telling us how the über-popular Obama is scaring the h-e-double-hockey-sticks out of the terrorists with his enormous popularity."