NEW YORK, - The U.S. restaurant chain Subway said this week its Footlong brand is the name of a sandwich line, not a guarantee each sandwich is a foot long. The chain said on its Australian Facebook page there is no guarantee each footlong sub would measure 12 inches. "Subway Footlong is a registered trademark as a descriptive name for the sub sold in Subway Restaurants and not intended to be a measurement of length," the statement said. ABC News said a tempest started brewing when an Australian teenager went online to state he had measured a sandwich he had...