The go it alone strategy: as North Korea returns three American hostages, a new test for Trumpian diplomacy, we’ll explore. Also, it’s being touted as an historic deal between inmates and the Texas prison system over air conditioning. What could be a lifesaver nationwide. And more cracked windows and more plane diversions: should there be age limits on commercial aircraft? We’ll explore. Also, Senator Ted Cruz’s Democratic challenger Beto O’Rourke says there’s never been a connection between the border and terrorism. A Politifact check on that claim. And losing the plot: officials try to identify who owns a mystery cemetery. Those stories and more today on the Texas Standard: