FROM CNN's Jack Cafferty: Tonight has the potential to be one of "those" moments for a president – a defining slice in time for Mr. Obama that could determine his relevancy from here on out. [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2010/images/06/15/art.obama.jpg caption=" "] Nearly 60 days since the worst environmental catastrophe in U.S. history – Pres. Obama will address … Continue reading Would Pres. Obama win a 2nd term if election held today?