Davis Cup Preview:: Bonnie DeSimone, espn.com

In addition to her look ahead at this weekend's Davis Cup tie in Moscow between the U.S. and Russia, DeSimone adds a profile of hitting partner Nikita Kryvonos. Ever since she told me about it, I've been looking forward to it, and it's a tale of adversity and perseverance, one of sport's oldest (and best) storylines.