A wild U.S. Senate debate spilled into living rooms Thursday night as Republican Alan Keyes and Democrat Barack Obama rocked each other with blistering attacks on religious faith, crime, gun control, abortion and sex education.In a bid to jolt his long-shot candidacy, Keyes excoriated Obama for coddling gang members, proposing kindergartners learn about sex and using his faith disingenuously to get votes.The choice of topics meant Obama, who holds a 40-percentage-point lead in polls, often found himself on the defensive during the hour-long debate on WLS-TV, Channel 7. But Obama did rip Keyes for being a too-preachy name-caller who opposes...