Salt Lake’s Nathan Chen wins world championship with record-breaking performance

Assago, Italy • .Nathan Chen’s redemption is complete.While all of his top competitors fell, the 18-year-old Chen completed six quadruple jumps in the free program on Saturday to become the first U.S. winner of the men’s world figure skating title since 2009.For the rest, it was a fall-a-thon: 14 sprawls, splats, and tumbles among five competitors as they attempted the all-mighty quad. There were three falls by silver medalist Shoma Uno of Japan, who matched his Olympic silver,