The GOP presidential candidates discussed foreign policy and national security during yet another debate on Tuesday night. The candidates attempted to subtle distinctions between each other in policies on Afghanistan, Pakistan, the Patriot Act, Iran, and Israel. Newt Gingrich, the current front runner, made waves when he suggested the party should not adopt an immigration policy that "destroys families that have been here a quarter-century."

CNN turns 30 today, but the anniversary is bittersweet for the Cable News Network. Its ratings are in a slump and the competition for a constant stream of news seems to be getting even more fierce as the internet attracts viewers away from TV to the screens of smart phones and computers.