Federal regs on online taxes 3-4 years off ERIK SCHELZIG,Associated Press CARTHAGE, Tenn. (AP) — Republican U.S. Sen. Bob Corker said Tuesday that could be three or four years before Congress passes national guidelines on tax collections by online retailers like Amazon.com. Corker told reporters after a speech to the Smith County Chamber of Commerce that he understands the complaints of local retailers. "The brick and mortar stores have turned out to be places where people look at the product and try it on and see if it works for them," he said.