David Hogg, a survivor of the mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla., speaks during the "March for Our Lives" rally in support of gun control in Washington on March 24, 2018.
David Hogg, a survivor of the mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla., speaks during the "March for Our Lives" rally in support of gun control in Washington on March 24, 2018. Andrew Harnik AP Photo
David Hogg, a survivor of the mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla., speaks during the "March for Our Lives" rally in support of gun control in Washington on March 24, 2018. Andrew Harnik AP Photo