Howard Lao's photo of the day--August 12th...

LONDON—Throughout the IAAF World Track & Field Championships, former University of Washington hurdler and current photographer Howard Lao will be contributing photos and offering his thoughts on the competition.



Here’s his take and a salute to the most recognizable track and field athlete of today, Jamaica’s Usain Bolt as he ran the anchor leg for his country’s 4 x 100 meter relay team that