Serena's back -- at long last

By Pritha Sarkar LONDON (Reuters) - If Serena Williams' rivals were hoping that the American would take some time out to savor drawing level with Steffi Graf's professional-era record of 22 grand slam titles, her coach Patrick Mouratoglou fired off an immediate warning. Mouratoglou wasted little time giving her the confidence boost she needed to return to the winners' circle.