Wimbledon 2015: Defending champion Petra Kvitova loses to 28th seed Jelena Jankovic
July 05, 2015 7:27 ISTLondon: About an hour after flopping on her back and kicking her feet overhead to celebrate a stunning comeback against defending Wimbledon champion Petra Kvitova, Jelena Jankovic still was giddy."I cannot stop smiling. ... I