Saxby Chambliss is waffling around like a dog off its leash for the first time. He says he does not care about a “twenty year old pledge” he signed. He’s talking about the Americans for Tax Reform pledge that says he pledges not to raise taxes. He has clarified his remarks to mean he wants tax reform that increases revenue through job growth. Everyone knows that Saxby meant he was happy to raise taxes. Now, under pressure back home, he is waffling. He covets his seat in Washington and is fearful of being primaries. Georgia has primary run-offs, whichs means...