U.S. has given India a waiver to buy Russian oil for 30 days as conflict in Middle East impacts global energy supply. Julien De Rosa | Afp | Getty Images After slapping 25% "penalty" tariffs on India for buying Russian crude — revoked last month — the U.S. on Thursday issued a 30-day waiver to New Delhi for purchasing crude from Moscow as the Iran war upends global ... [3786 chars]