Blond ambition: Parcells chasing NFL immortality 06/08/2003 BY JULIET MACUR / The Dallas Morning News Beyond the entryway shrubbery shaped like a Cowboys star, through the lobby that's a shrine to Cowboys legend, past the portraits of square-jawed Cowboys greats on the walls of snaking corridors, there's the office that belongs to the main man. Leather couches. Wooden shelves. A big, wide desk in front of a cushy executive chair. In the chair, Bill Parcells. He is leaning back and telling a story. In his goodfella-gravelly voice, he's explaining how much he likes being Papa. He points to a photograph...