FROM CNN's Jack Cafferty: On the eve of his address to the nation about Afghanistan, President Obama could be at a crossroads for his presidency early in his first term. Politically – the stakes for both Afghanistan and health care couldn't be any higher. [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2009/images/11/30/art.obama.approval.jpg caption=""] Politico suggests that the president's gift for controlling … Continue reading Pres. Obama approval rating drops 20% among whites