AMZN might have to drop one of its competitive strategies against brick-and-mortar stores in Arkansas if a proposal advanced by an Arkansas Senate panel on Wednesday is accepted. ... Amazon has been taking advantage of a 1992 Supreme Court ruling that bars states from forcing out-of-state sellers lacking a physical presence to collect tax. Amazon even terminated contracts with its Arkansas-based affiliates back in Jul 2011 to avoid paying sales taxes from this state. ...The court ruling dates back to the pre-online shopping era. We believe that it lacks significance today when companies can sell at a place without having a physical presence.