Reason Morning Links: Kyl To Block Arms Treaty, Four Loko Caves, Mark Twain's Autobiography in Stores

• Sen. John Kyl (R-Ariz.) will block arms treaty White House negotiated with Russia.
• Harry Reid says he's willing to consider extension of Bush tax cuts.
• FDIC launches criminal investigation of failed banks.
• Four Loko says it will voluntarily remove caffeine from its controversial drinks.
• White pages may come to an end in Maryland, Virginia.
• Mark Twain's autobiography finally hits shelves.