NPR's Steve Inskeep asks former U.S. Ambassador to Ukraine John Herbst about President Trump's embrace of Russia as envoy Steve Witkoff heads to Moscow after meeting Ukraine's Volodymyr Zelenskyy.

Also readDOJ's noncitizen voter list is unreliable, officials say. And, U.S. pollution rises

Also readReader Q&A: What’s next for France after a weekend of riots? Ask our Europe columnists