Bill Clinton testifies in House Epstein investigation

Tonight on The Last Word: Democrats call for Donald Trump to testify in the Epstein investigation. Also, Democratic turnout in Texas is breaking records. Plus, Trump’s mixed messages on Iran rattle allies. And Trump’s immigration crackdown is causing “medical crises.” Rep. Ro Khanna, Kendall Scudder, Amb. Michael McFaul, and Dr. Vin Gupta join Jonathan Capehart.