The front of the GOP pack will be absent at the March 1 debate in Atlanta sponsored by CNN and the Georgia Republican Party, CBS News/National Journal has learned. The Mitt Romney and Rick Santorum campaigns said they have decided to skip the debate, throwing into question whether it will happen as planned. "With eight other states voting on March 6, we will be campaigning in other parts of the country and unable to schedule the CNN Georgia debate," Romney spokeswoman Andrea Saul said. "We have participated in 20 debates, including eight from CNN." The 20 debates include one scheduled for...