Sports 2012 London Olympics -- Day 4 July 31, 2012 / 6:39 PM EDT / CBS News Olympics Day 4 - Swimming Olympics Day 4 - Swimming Olympics Day 4 - Swimming Olympics Day 4 - Basketball Olympics Day 4 - Beach Volleyball Olympics Day 4 - Women's Football - USA v DPR Korea Olympics Day 4 - Women's Football - USA v DPR Korea Olympics Day 4 - Women's Football - USA v DPR Korea Olympics Day 4 - Hockey Olympics Day 4 - Gymnastics Olympics Day 4 - Gymnastics Olympics Day 4 - Gymnastics Olympics Day 4 - Gymnastics Olympics Day 4 - Boxing Olympics Day 4 - Swimming Jennifer Nichols of the US
