Yellen: ‘Virtually impossible to insulate ourselves’ from soaring gas prices

Treasury Secretary Janet Yellen said American consumers will be at the mercy of oil companies this summer as crude oil is expected to reach $160 a barrel, according to an analysis released Monday by Goldman Sachs.Speaking to the Senate finance committee Tuesday, Yellen took heat from both Republicans and Democrats for inflation that’s near 40-year highs, with gasoline prices up almost 50 percent over the last year.In May, a gallon of gas cost more than $4.50, according to a national averag