Nightly News | August 20, 2013
>>> they are older now, their hair has grown gray, and the spring in their step is slower, but in time the 1972 miami dolphins were a powerhouse on the football field . they played the last perfect season, undefeated, untied, all the way to the super bowl . they had great names like kick, csonka, mercury morris and greasy and the no-name defense. and they never got their due back then, so today president obama did what richard nixon did not. he honored football's last undefeated team. coach shula who now uses a motorized scooter told the president he's forgiven for being a bears fan.