RIO DE JANEIRO -- Undefeated, uncatchable, unquestionably the best. Usain Bolt bid a blazing-fast farewell to the Rio de Janeiro Olympics, and probably the Olympics altogether, Friday night with yet ...
Still fuming from his false start that knocked him from the 100-meter final, Usain Bolt crouched on the line and waited, then zipped off the blocks into the darkness of a deserted practice track.