Trump, GOP lawmakers huddle at Camp David

President Donald Trump, accompanied by from left, House Speaker Paul Ryan of Wis., Senate Majority Leader Mitch McConnell of Ky., Vice President Mike Pence, House Majority Leader Kevin McCarthy of Calif., House Majority Whip Steve Scalise, R-La., Secretary of State Rex Tillerson, Defense Secretary Jim Mattis, and Secretary of Homeland Security Kirstjen Nielsen, speaks during a news conference Saturday after participating in a Congressional Republican Leadership Retreat at Camp David, Md. (AP Photo/Andrew Harnik)

THURMONT, Md. — Emerging from closed-door meetings with Republican leaders, President Donald Trump on Saturday held out the prospect of a deal with Democrats on the fate of young immigrants brought to the country illegally as children but appeared to put a welfare system overhaul — once a top White House priority — on the back burner.