By Dan Weil Gasoline prices have jumped 48% in the past year to $4.24 a gallon. Politicians are offering several solutions. Politicians are floating several ideas to ease the sting of gasoline prices, which have soared 48% in the past year to $4.24 a gallon. Peter Schiff, global strategist of Euro Pacific Capital, doesn’t think much of the ideas. One is for a “windfall profit” tax on oil companies. “If you want more oil, if oil prices are high because we don’t have enough oil, the last companies you want to tax are the oil companies,” he said in a podcast. “Because, if we’re going to get more …