A second round of late night shouldn't-have-taken-that-nap links.

* Why GM failed; link roundup from Kottke.

* A.O. Scott vlogs the awesomeness of Rushmore. Via TRA. It's vlogtastic.

* Mrs. Santorum is a very lucky woman.

* The headline reads, "Secret US Nuke Site List Accidentally Published Online by US Gov." Whoops!

* Handicapping the 2012 Republican field at Open Left.

* The median number of tweets by a Twitter user is one. This and other Twitter bubble factoids via MetaFilter.

* J.D. Salinger sues to block the publication of the unauthorized Catcher in the Rye sequel. I feel torn here between my liberal attitude towards copyright and my sense that said sequel can only be an abomination.

* “It’s remarkable, what we’re unable to do as a country": Wire creator David Simon on BBC Radio 4, via Edge of the American West.

* Monkey astronauts.

io9 has a sketch of what human colonists will have to wear on Mars. There are a lot of details here, but there's only one that the commenters seem to pay attention to. Can you guess which one?

She's really tall, doesn't have to wear a bra, and has some pretty awesome photosynthesis and water-reclaiming implants in her exosuit.