FROM CNN's Jack Cafferty: While America's fixating on numbers from President Obama in his speech tonight on the U.S. withdrawal from Afghanistan, like how many troops are coming home and by when, the president and his re-election team are probably stuck on a very different set of figures. [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2011/images/06/22/art.obama.jpg caption=""] For example, 43 percent, … Continue reading If President Obama's approval rating doesn't rise above 45 percent, can he be reelected?