WASHINGTON (AP) — President Donald Trump is heading to Capitol Hill early Tuesday to seal the deal on his “big, beautiful bill,” using the power of political persuasion to unify divided House Republicans on the multitrillion-dollar package that is at risk of collapsing ahead of planned votes this week.

Trump has implored GOP holdouts to “STOP TALKING, AND GET IT DONE.” But negotiations are slogging along and it’s not at all clear the package, with its sweeping tax breaks and cuts to Medicaid, food stamps and green energy programs, has the support needed from the House’s slim Republican majority, who are also being asked to add some $350 billion to Trump’s border security, deportation and defense agenda.

Conservatives are insisting on quicker, steeper cuts to federal programs to offset the costs of the trillions of dollars in lost tax revenue. At the same time, a core group of lawmakers from New York and other high-tax states want bigger tax breaks for their voters back home. Worries about piling onto the nation’s $36 trillion debt are stark.

“I think it’s pretty obvious that they’re going to need more time,” said Rep. Andy Harris, R-Md., the chairman of the House Freedom Caucus.

“These are complicated issues with trillions of dollars,” he said. “We’ve got to do this thing right.”