Kerry’s pit bull: Ted K comes to the rescue - again WASHINGTON - Sen. Edward M. Kennedy [related, bio] is riding to John F. Kerry's rescue again, hitting the trail to blast President Bush [related, bio] in hopes of jolting Kerry's slumping campaign back to life. Kennedy - who propped up Kerry with appearances in Iowa, New Hampshire and Wisconsin when the junior senator ran aground during the primary season earlier this year - will campaign across the country starting in Pennsylvania this week. He's also planning a behind-the-scenes fund-raising and political organizing effort. ``George Bush knows he can't win...