Usain Bolt won the Olympic 200 meters in world record time; Ken Griffey Junior hits home run number 609 in the White Sox 15-3 win over Seattle; MLB, umpires sign agreement on instant replay; NASCAR penalizes Joe Gibbs Racing. (August 21)

Debbie Phelps is almost as recognizable to viewers as her record-setting son, Michael. Wednesday, she sat in a luxury hotel suite in Manhattan with a parade of TV cameras passing through to interview her. (August 20)

Usain Bolt of Jamaica broke the world record by winning the 200 meters in 19.30 seconds Wednesday, becoming the first man since Carl Lewis in 1984 to sweep the 100 and 200 gold medals at an Olympics. (Aug. 20)

Here is the latest from Beijing: Team USA moves to the semifinals in men's basketball; Usain Bolt breaks the world record in the 200 meters; USA Softball one game away from another gold. (Aug. 20)

Members of the U.S. men's basketball team dissect their performance after a convincing win against Australia in the quarterfinals. The team advances to the semifinals, taking on defending champion Argentina. (Aug. 20)