Tennis: Federer looks back at best in straight-sets win at US Open

5884612_web1_5884612-7956ae5edaaf4396b804acc9b65f436c.jpg
NEW YORK — This was Roger Federer at his hard-to-beat best, so unlike the pair of uncomfortable five-setters he labored through to begin the U.S. Open. ADVERTISING NEW YORK — This was Roger Federer at his hard-to-beat best, so unlike