LAS VEGAS, Oct. 29 -- He was an hour late. So when President Bill Clinton took the stage this afternoon at the Clark County Government Center amphitheater, the crowd acted like starving dogs presented with thick, juicy steak. "We love you! We love you!" a group of women screamed, drowning out Clinton's opening lines for hundreds of people around them. The Comeback Kid had come to Las Vegas for his first solo campaign appearance in a swing state since his quadruple-bypass heart surgery, a compliment the crowd of 2,500 was determined to return. They cheered at whatever he said, laughed...