Oil prices fell on Monday as U.S. sanctions against Iran’s fuel exports were softened by waivers allowing major buyers to import Iranian crude for a while, while Tehran said it would defy Washington and continue to sell.  Brent crude oil LCOc1 was down 30 cents a barrel at $72.53 by 0815 GMT. U.S. light crude CLc1 was 30 cents lower at $62.84 a barrel. Both oil price benchmarks have lost more than 15 percent since hitting four-year highs in early October, as hedge funds have cut bullish bets on crude to a one-year low, data show. Washington imposed sanctions against Iran on Monday, restoring measures lifted under a 2015 nuclear deal negotiated by the administration of former U.S. president Barack Obama, and adding 300 new designations including Iran’s oil, shipping, […]