Billie Jean King on Serena Williams' Grand Slam hopes.
Murray and King on possible ATP-WTA merger.
Plan gets influential backer.
Billie Jean King's proposal that men's matches be reduced to three-setters at majors is an interesting one.
In Tennis Today, Roger Federer is turning into a mentor while Grigor Dimitrov should stick to tennis.
Billie Jean King has urged men to "loosen up" and "cry like Roger Federer" during a pre-Oscar party.
Caroline Wozniacki joined the Grand Slam winner's circle on Saturday when she won the Australian Open final.
Billie Jean King has called for the Margaret Court Arena to be renamed after the Australian's "derogatory" comments.