"I am a Christian," the 42-year-old Illinois state senator and Democratic candidate for the U.S. Senate says, as one of the nearby customers interrupts to congratulate him on his recent primary win. Obama shakes the man's hand and says, "Thank you very much. I appreciate that," before turning his attention directly back to the question. "So, I have a deep faith," Obama continues. "I'm rooted in the Christian tradition. I believe that there are many paths to the same place, and that is a belief that there is a higher power, a belief that we are connected as a people....