Lunchtime Links

James Blunt might have prevented World War III.

Facebook kills Gmail (maybe) with a new email service.

John McCain finds a new reason to oppose repealing “Don’t Ask, Don’t Tell.” …

…and Cindy McCain supports his position, despite what she said in that commercial.

Bill Clinton films a cameo in The Hangover 2.

Gawker rounds up the best moments from Sarah Palin’s new show.

Obama plans to switch his Davids — Plouffe for Axelrod — by spring.

Scientists propose one-way trips to Mars.

Rick Perry wants Texas to opt out of Medicaid.

Chuck Schumer wants an investigation on reusable bags.