Olympic hopefuls demo golf, track and field, and table tennis skills

It’s only a year until the Rio Olympics, where golf will re-enter the Games after more than 100 years. LPGA champ Cristie Kerr helps Matt Lauer and Carson Daly try a golf simulator. Other Olympic hopefuls on the plaza are Tatyana McFadden, who gives Tamron Hall a taste of wheelchair racing, and Jimmy Butler and Lily Zhang, who show Savannah Guthrie what Olympic-level table tennis is like.Aug. 5, 2015