Hundreds of activists protest the Trump administration's approach to illegal border crossings and separation of children from immigrant parents, in the Hart Senate Office Building on Capitol Hill in Washington, Thursday, June 28, 2018. Several prominent Democrats who are mulling a bid for the White House in 2020 sought to bolster their progressive credentials this week by calling for major changes to immigration enforcement, with some pressing for the outright abolition of the federal government’s chief immigration enforcement agency. (AP Photo/J. Scott Applewhite)