Team USA hits the mark in Rio -- and hits back at doping

Team USA has been living up to expectations during the first few days in Rio de Janeiro. Judy Woodruff speaks with USA Today's Christine Brennan about initial U.S. achievements, criticism of Russian athletes in response to the doping scandal, how the city is handling the Games so far and what else we can expect from superstars such as Michael Phelps, Katie Ledecky and Simone Biles.