The students of March for Our Lives, including survivors of the Parkland high school shooting, today will announce a 60-day, 20-state, 75-stop summer bus tour to register young people to vote and to promote gun law reform. A key quote: David Hogg, 18, who graduated yesterday with the other seniors of Marjory Stoneman Douglas High School, told me in an interview Saturday to promote the tour that his biggest surprise as he travels the country has been: "There’s a lot more love than hate out there." Hogg, who plans to work on voter registration during his gap year ahead, said:...