SINCE STARTING his career at NBC in 1980, Bob Costas has reported on the World Series, the NBA finals, the Super Bowl, the Kentucky Derby, and the U.S. Open golf tournament, among other definitive sports events, all with a calm demeanor, a sly humor, and an encyclopedic knowledge. This month, he hosts his tenth Olympics, leading coverage of the Winter Games in Sochi, Russia. For 18 days, he’ll entertain, emcee, and tell stories.
The cornerstones of Costas’s reputation are asking probing questions and never censoring his subjects—or himself. In 2012, he won an Emmy for Outstanding Interview for his revealing conversation with former Penn State assistant football coach Jerry Sandusky. That same year, he ruffled feathers with commentary on gun control at halftime during a Sunday Night Football game. So…