EAST RUTHERFORD, N.J. -- I used to feel sympathy for Kevin Gilbride. No pro football coach should have to stake a career on Ryan Leaf. But look at it this way: Without Leaf, Gilbride might have missed out on Eli Manning. So let's try this again. Congratulations, Kevin. Gilbride is the quarterbacks coach of the New York Giants, and it's on his watch that Manning is developing into one of the best young passers in the NFL. But before Manning there was a young Ryan Leaf, and that experience was unlike anything happening to Gilbride or the Giants today. Once...