The Senate after dark can be a weird and scary place. For example, senators will spend all day and night working to pass legislation that would eliminate health insurance for millions of Americans, gut clean energy development and blow up the national debt,

The Senate narrowly passed President Trump's massive tax and spending bill Tuesday after a marathon series of amendment votes.

With Sens. Rand Paul and Thom Tillis opposed to the package, GOP leaders can afford only one more defection. And multiple Republicans aren't yet sold on the measure.