] Hide Caption  ] Show Caption

March for Our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

Singer Andra Day and Common at March for Our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

Singer Andra Day and choir from Baltimore's Cardinal Shehan School at March For Our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March for Our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

Protesters in the streets of D.C. at the March for Our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

Zion Kelly, 16, the twin brother of 16-year-old Zaire Kelly, addressed the crowd of student protesters, friends and supporters at March For Our Lives, Saturday in Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March For Our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

Gun reform advocates line Pennsylvania Avenue while attending the March for Our Lives rally March 24, 2018 in Washington, DC. (Photo by Win McNamee/Getty Images)
 

 
 ] Hide Caption  ] Show Caption

March for our Lives, March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

Survivors of Marjory Stoneman Douglas High School march in D.C.

 
 ] Hide Caption  ] Show Caption

March For Our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March for our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March for Our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March for our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March for our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March for our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

Protesters gather for the March for Our Lives rally along Pennsylvania Avenue March 24, 2018 in Washington, DC. (Photo by Chip Somodevilla/Getty Images)

 
 ] Hide Caption  ] Show Caption

March for our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March for our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March for our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March for our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)

 
 ] Hide Caption  ] Show Caption

March for our Lives, Washington, D.C. March 24, 2018 (Photo/Getty)