Younger Williams sister dispatches China's Li
                                
                                
                                    (Newser) -
                                    Serena Williams advanced to her fifth Australian Open women’s final today, beating China’s Li, 7-6 (4), 7-6 (1). The top seed dominated in the second-set tiebreak, the  AP  reports, winning with an ace after the 16th-seeded Li had twice saved match points. Williams will face either Justine Henin...