Jeff Sessions urges a regulatory bump stock ban.
- Trump names Brad Parscale his 2020 reelection campaign head.
- Jared Kushner reportedly had his top secret security clearance downgraded.
- German court permits cities to ban diesel-powered vehicles.
- Slovak journalist investigating corruption found shot to death.
- Parkland, Florida, shooting survivor and gun control advocate David Hogg is fair game for criticism, says National Review's Charles Cooke.