BREAKING: Bob Costas steps down as NBC's host of Olympics coverage

Having trouble viewing this email? | View it in your browser   The Rio Games were Costas' 11th as NBC's prime-time host. Mike Tirico will take over for the 2018 Pyeongchang Olympics. FOR MORE ON THIS STORY, GO TO:   USATODAY.COM     Help | Advertise | Home Delivery | Privacy Policy - Your California Privacy Rights     © 2017 USA TODAY, a division of Gannett Satellite Information Network, LLC. 7950 Jones Branch Drive, McLean, VA 22108