"WASHINGTON, DC - JUNE 05: U.S. Sen. Richard Blumenthal (D-CT) (C) speaks as (L-R) Sen. Chris Murphy (D-CT) and Rep. Mike Thompson (D-CA) listen during a news conference June 5, 2019 on Capitol Hill in Washington, DC. Democratic lawmakers held a news conference to mark June as Gun Violence Prevention Month and to mark 100 days since House passage of H.R.8, the ""Bipartisan Background Checks Act of 2019"" to expand background checks to cover all gun sales and most transfers, and to call on Senate Majority Leader McConnell to hold a vote on the bill. (Photo by Alex Wong/Getty Images) Photo: Alex Wong / Getty Images / 2019 Getty Images"