Here's what happens when a 17-year-old American swimmer wins her first gold medal: high TV ratings.
Missy Franklin, the Pasadena native who took first place in the 100-meter backstroke, helped power NBC's fourth night of coverage of the London Olympics (the first night consisted of the Opening Ceremony, which more than 40 million saw). An average of 31.6 million total viewers tuned in, according to Nielsen.
