I've got an answer for Steyn

He asks Why do public officials so reflexively dissemble and misdirect every time? In the end, all they're doing is undermining confidence in the integrity of their own institutions. That doesn't seem a smart move.
He's referring to this idiocy:
Bloomberg told Katie Couric he thinks it could have been a domestic terrorist acting alone: “If I had to guess 25 cents, this would be exactly that. Homegrown, or maybe a mentally deranged person, or somebody with a political agenda that doesn’t like the health care bill or something. It could be anything.”
Yeah. Right. Another bomb in NYEffin'C, in front of the building where CowardlyComedy Central is housed, and of COURSE it's probably somebody mad about Obamacare.

It's because people like Geraldo and Nanny Bloomberg WANT it to be a white guy who doesn't like Obama, or the government, whatever the hell he doesn't like as long as the bomber & Co. is a white guy; a white guy they can call names, they can insult the ancestry of, they can belittle wherever he came from and his family and do it safely: the PC police not only won't be upset about it, they'll cheer it on! Whereas if the bomber & Co. is islamic or some other protected species, they have to be very careful with their words, have to make excuses for them, try not to even mention the real reason they did it(if at all possible, and Fort Hood showed just how far these clowns will go to avoid that).

I'd say that's why, Mr. Steyn; because they're PC-at-any-cost morons. Because they're fools like Geraldo who'd rather see a retired cop who's mad about taxes blamed for something because that doesn't conflict with their PC need to blame Americans, preferably American whites, for everything.