How Tom Steyer would tackle gun violence

Tom Steyer, the billionaire environmental activist and liberal donor, announced Tuesday a suite of proposals to tackle gun violence as president.Steyer’s plan — made public on the two-year anniversary of the 2017 mass shooting in Las Vegas, the deadliest in U.S. history — includes a variety of reform measures popular among his fellow White House candidates and most national Democrats.Steyer also touts his work last year helping to mobilize young voters around the issue of gun v