A bipartisan U.S. bill that would hit Russia with sanctions in a bid to pressure Moscow into good-faith peace negotiations with Ukraine has gained momentum this week in Congress, but it still lacks the presidential push it needs to get over the finish line.

A bill co-sponsored by Sens. Lindsey Graham (R-SC) and Richard Blumenthal (D-Conn.) would force Trump to impose a 500% tariff on any country that buys Russian oil, walloping nations such as India,