Two lawyers from a Lewiston law firm are claiming “a major victory” after the U.S. Supreme Court ruled in their client’s favor Tuesday in an online sales tax case that originated in Colorado. George Isaacson and Matthew Schaefer of Brann & Isaacson presented arguments before the nation’s highest court Dec. 8 on behalf of their client, Direct Marketing Association, in a case that attracted national attention. Direct Marketing, the country’s largest trade association representing online retailers and data-driven marketing, challenged a 2010 Colorado law that requires out-of-state retailers to report purchases from Colorado customers to the state’s revenue department. The case, Direct Marketing Association v.