WASHINGTON, DC - JUNE 22: U.S. Rep. John Lewis (D-GA) (2nd L) walks down the steps of the Capitol after House Republicans have forced votes as House Democrats stages a sit-in on the House floor June 22, 2016 on Capitol Hill in Washington, DC. House Democrats are staging a sit-in on the House floor to demand Speaker Rep. Paul Ryan (R-WI) not to recess the House without voting on legislation including the bipartisan "No Fly, No Buy" legislation and a universal background check bill. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JUNE 22: U.S. Tom Price (R-GA) (R) arrives at a House Republican Conference meeting June 22, 2016 at the Capitol in Washington, DC. House GOPs held a conference meeting to discuss the current situation of a gun control sit-in protest on the House floor staged by House Democrat. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JUNE 22: U.S. Speaker of the House Rep. Paul Ryan (R-WI) (4th L) arrives at a House Republican Conference meeting June 22, 2016 at the Capitol in Washington, DC. House GOPs held a conference meeting to discuss the current situation of a gun control sit-in protest on the House floor staged by House Democrat. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JUNE 22: A congressional aide wheels in boxes of pizza to a House Republican Conference meeting June 22, 2016 at the Capitol in Washington, DC. House GOPs held a conference meeting to discuss the current situation of a gun control sit-in protest on the House floor staged by House Democrat. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JUNE 22: U.S. Speaker of the House Rep. Paul Ryan (R-WI) (R) arrives at a House Republican Conference meeting June 22, 2016 at the Capitol in Washington, DC. House GOPs held a conference meeting to discuss the current situation of a gun control sit-in protest on the House floor staged by House Democrat. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JUNE 22: U.S. House Majority Leader Rep. Kevin McCarthy (R-CA) (2nd L) arrives at a House Republican Conference meeting June 22, 2016 at the Capitol in Washington, DC. House GOPs held a conference meeting to discuss the current situation of a gun control sit-in protest on the House floor staged by House Democrat. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JUNE 22: U.S. House Majority Whip Rep. Steve Scalise (R-LA) (R) arrives at a House Republican Conference meeting June 22, 2016 at the Capitol in Washington, DC. House GOPs held a conference meeting to discuss the current situation of a gun control sit-in protest on the House floor staged by House Democrat. (Photo by Alex Wong/Getty Images)

WASHINGTON, DC - JUNE 22: A congressional aide wheels in boxes of pizza to a House Republican Conference meeting June 22, 2016 at the Capitol in Washington, DC. House GOPs held a conference meeting to discuss the current situation of a gun control sit-in protest on the House floor staged by House Democrat. (Photo by Alex Wong/Getty Images)