Until last week, 20-somethings in professional tennis might have been forgiven for passing Roger Federer off as a wounded warrior, fading at 35 into legend without so much as a single grand slam title in five years. But Federer's historic three-hour-and-37 minute triumph over Rafael Nadal in the final of the Australian Open Jan. 29—along with the victory of another 35-year-old … [Read more...] about Never Too Late to Learn: Older Workers and Tennis Stars Can Win