A controversial sports event where athletes can use performance-enhancing drugs under medical supervision is raising questions after an unofficial world record swim and renewing debate over the future of fair competition. NBC News’ Shaquille Brewster reports.
For more context and news coverage of the most important stories of our day, click here:
» Subscribe to NBC News:
» Subscribe to Here’s the Scoop podcast:
» NBC News App:
» Breaking News Alerts:
» Visit NBCNews.Com:
» Find NBC News on Facebook:
» Follow NBC News on Twitter:
» Follow NBC News on Instagram:
source
























