The end of one of the greatest NFL stories ever was supposed to have come on Nov. 24, 2004, high above the country on a flight, coincidentally, from Phoenix. That's where Tom Coughlin first pondered making the switch that figured to mark the end of Kurt Warner's career. The next day, Warner, then 33, was a backup quarterback, just like he was when he started his career. He was destined to spend the rest of his NFL life holding a clipboard, mentoring young quarterbacks, or serving as an insurance policy for a competitive team. Nobody saw his resurrection coming. Nobody...