FROM CNN's Jack Cafferty: Race relations have not improved as much in the U.S. as many hoped they would with the election of our first African-American president. When Barack Obama was elected, we heard a lot of talk about all the good it might do for racial tensions. [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2009/images/10/30/art.obamas.jpg caption="Barack Obama and his family … Continue reading Why hasn't Obama had a greater impact on race relations?