By Philip Hersh | Tribune reporter 4:16 PM CDT, May 6, 2009 Silver medalist Sasha Cohen at the 2006 Winter Olympics. (YURI KADOBNOV/AFP/Getty Images / February 23, 2006) Figure skating star Sasha Cohen revealed to the Tribune that she has informed U.S. Figure Skating she would accept an invitation to Skate America next fall, a move that confirms she will come back to competition in an attempt to m