Teresa Heinz Kerry, left, her husband Democratic presidential candidate Sen. John Kerry, vice-presidential candidate Sen. John Edwards and his wife Elizabeth Edwards raise their hands at the end of a rally at the National Hispanic Cultural Center in Albuquerque, N.M., Friday, July 9, 2004. (AP Photo/Jake Schoellkopf) NEW YORK -- Bear hugs. Pats on the back. Shoulder squeezes. John Kerry and John Edwards are all over each other.The two Democrats and one-time rivals have shared so much public affection since becoming a team Tuesday that the presidential candidate even joked about it Friday in New York after...