Serena Williams may be world No2 but she is as dangerous as ever

She's lost the No1 ranking and is nearer to 40 than 30, but only a fool would doubt Serena as she enters returns to Melbourne with history in sight Ten years ago this week, Serena Williams arrived at Melbourne Park a faded champion on the brink of irrelevance, a silhouette of the player who had won seven grand slams from 1999 to 2005. The 25-year-old from Compton had played only 15 events in 26 months, dogged by injuries and distractions and a depression brought on in no small part by the murder...