The U.S. Capitol stands at sunrise in Washington, D.C., U.S., on Wednesday, Nov. 29, 2017. The $1.4 trillion tax-cut measure gained momentum when the Senate Budget Committee voted Tuesday to send it to the Senate floor.The next step Wednesday may be a procedural vote to begin debate -- but success on that doesn't guarantee the bill will have enough votes for final passage. Photographer: Andrew Harrer/Bloomberg