Sens. Lisa Murkowski (R-Ala.), Susan Collins (R-Maine), and Cory Gardner (R-Colo.) have called for the government to be reopened before more work is done on border security.
Why it matters: It's getting harder for lawmakers to ignore the real consequences of a shutdown. Democrats in the House have passed a spending bill that would fund a majority of the shuttered government agencies besides the Department of Homeland Security, but President Trump has promised a veto. The Senate can override a veto with 67 votes, but Majority Leader Mitch McConnell has said he won't bring any vote that doesn't have Trump's approval.