In an unprecedented move, NASA is bringing an astronaut crew home early from the International Space Station because one astronaut has an undisclosed medical condition.
Federal prosecutors in Minnesota resign over ICE shooting probe, Trump gives a grievance-laden speech in Detroit, the Fed will make a decision about interest rates soon.
NPR's Steve Inskeep asks Youseph Yazdi, a professor at Johns Hopkins School of Medicine, about his recent visit to Iran, where thousands have been killed in anti-government protests.
NPR's A Martinez asks Rufus Gifford, who served as U.S. ambassador to Denmark under the Obama administration, about President Trump's aspirations to take control of Greenland.