Federer, 34, likes the way he’s playing at US Open; will face Wawrinka in all-Swiss semifinal
NEW YORK — Even Roger Federer is wowed by how well he's playing at 34 — and the ease with which he's winning at this U.S. Open. Federer is into his 10th semifinal at Flushing Meadows, and record 38th at all major tournaments. To get back to...
