Best-selling sportswriter Christine Brennan of USA Today joins Globe host Matt Pepin to talk about Russia's ban from the 2018 Winter Olympics in South Korea and her favorite memories covering 17 different Games.

Boston area listeners, join the Endless Thread team on July 25 for a behind-the-scenes look at our five-part series, "Infectious: The Strange Past and Surprising Present of Vaccines – And Anti-Vaxxers." Event info: https://wbur.fm/2XXJIts