Brad Walker no-heights in Olympic final...

LONDON--Brad Walker's (left/photo courtesy University of Washington) hopes of earning an Olympic medal of any color ended with a crash as he failed to clear a height in the finals of the pole vault in the penultimate day of track and field competition at Olympic Stadium.

Walker opened the competition at 18-6 1/2 (5.65m), and on his first attempt, aborted the run and restarted before the clock