Tonight on The Last Word: Trump national security officials accidentally leak military plans to a journalist over an unclassified chat app. Also, Democrats hold town halls in GOP districts. Plus, the Trump administration refuses to answer a federal judge’s questions about obeying a court order and invokes the state secrets privilege. And Trump special envoy Steve Witkoff says Vladimir Putin is not a “bad guy.” Sen. Tammy Duckworth, Jen Psaki, Rep. Chris Pappas, Rep. Ro Khanna, Joyce Vance, and Timothy Snyder join Jonathan Capehart.