As Tiger Woods uses silence to deal with the uproar over his alleged infidelities, his sponsors apparently are following suit, quietly not running his ads until the worst is over. Rick Burton, onetime brand manager for Miller beer and former chief marketing officer for the U.S. Olympic Committee, doesn't think this means Tiger is no longer a bulletproof brand. "If a sponsor cuts him loose, that makes it look like the relationship was tenuous to begin with," Burton said Wednesday. "I don't think Accenture, Nike or Gillette want to do that. Sometimes what they'll do is take an athlete and...