The U.S. Supreme Court of Friday tossed out a ban on bump stocks - modifications that make semi-automatic rifles work more like machine guns. Also Ukraine is hosting a peace summit in Switzerland, but some key players, including Russia, will not be there. Plus, a series of new reports released this week tell us more about the bird flu is speading through cattle in the U.S..Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy