By JIM KUHNHENNWASHINGTON (AP) Some were grayheaded, others a bit stooped, at least one carried a cane. But despite age, there were still hints of the large frames that had once donned football pads and exploded countless times from lines of scrimmage during an unforgettable season.Nearly three dozen members of the 1972 Miami Dolphins finally received their White House moment Tuesday, 40 years after they made history by winning 17 games and losing none an undefeated achievement that no NFL team has ever matched.President Barack Obama welcomed the former players to the East Room, a periodic occurrence at the White House these days for current sports champions.Four decades ago, however, saluting athletes was not an established tradition. And the Watergate scandal was preoccupying President Richard Nixon back then anyway.I think we are going to increase our recruiting, we will certainly have a chance to compete for the national championship. Coach James Johnson seems to feel the sam