Almost as surely as dawn precedes daylight, the rising price of oil tends to lead to higher gas prices. With the price of a barrel of oil at around $90, there is increasing concern that expensive fuel will choke off the U.S. economic recovery. At TheAtlantic.com, Lisa Margonelli makes the case that gas, at $3.07 a gallon across the country, is already problematic.... Nobody wants to see a repeat of 2007 and 2008, when gas prices spiked to above $4 per gallon, as this chart from Gasbuddy shows, and people began to ride horses to run errands. But for several...