And he capped off the trip with another victory, watching the Senate overwhelmingly vote to advance new sanctions on countries that buy Russian oil. A year ago, the consensus was that Ukraine was doomed and nothing anyone could do would change that. Both countries have been buying up as much of Russia's discounted oil as they can via Putin's shadow fleet of tankers. Now, assuming it moves forward, they will have to make a choice between Russian oil and U.S. markets. AdvertisementLawmakers and officials familiar with the push to secure a deal on the Russia sanctions legislation described it as a memorial to Graham’s tenacity.