What We’re Watching: Focus Shifts to the Track

Track and field takes center stage with Usain Bolt in action, Kara Goucher contends with the top Kenyan runners in the women’s marathon and Andy Murray meets Roger Federer with gold on the line. Jason Stallman has the latest from London.
We’ll be providing daily video updates from London for the duration of the Summer Games. As you watch the video, look for scrolling links to related articles and multimedia at the bottom of the video player. Produced by Jon Huang and Justin Sablich.