[cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2011/images/08/30/costello_vert.jpg width=200 height=230 align="right"] From CNN's Carol Costello: At tonight's speech, President Obama will not only face a bitterly divided Congress, but also a bitterly divided nation. Some Republicans have already dismissed Obama's speech, saying any proposal from the president will amount to little more than a continuation of what they characterize as his … Continue reading Talk Back: How should the president handle the country's divisiveness in his speech tonight?