The latest thing in presidential politics is as old as the Civil War, the so-called "flat tax," with new variations from Republicans Rick Perry and Herman Cain. We compare their plans and ask why a system with initial appeal has been often proposed but never adopted. Also, the ICC tries to persuade Gadhafi's son to surrender, and first-born daughters can now take the British throne?
Banner image: Former CEO of Godfather's Pizza Herman Cain (R) speaks as Texas Governor Rick Perry (L) looks on during the Republican Presidential debate hosted by Bloomberg and the Washington Post on October 11, 2011. Photo by Justin Sullivan/Getty Images