For the next few weeks on The Limits, we're pulling together some of our favorite conversations from The Limits Plus that were only available to subscribers – until now. There may be no moment more defining in the last decade of sports than when Colin Kaepernick took a knee during the National Anthem. But Kap isn't the only athlete learning to speak out on important issues. In this week's Remix episode, host Jay Williams discusses the intersection of sports and politics with sports analysts Dave Zirin and Stephen A. Smith, and Michele Roberts, former head of the National Basketball Players Association.Follow Jay on Instagram and Twitter. Email us at thelimits@npr.org.