A domestic violence conviction should have stopped Devin P. Kelley from purchasing guns, including the rifle used in a shooting that left at least 26 people dead at a church in Sutherland Springs, Tex. We look at why it didn’t. Also, a pattern is emerging between President Trump and the court system. Guests: Dave Philipps, who covers veterans and the military for The New York Times; Adam Liptak, who covers the Supreme Court, in conversation with Sabrina Tavernise. For more information on today’s episode, visit nytimes.com/thedaily.