On CNN this afternoon, Wolf Blitzer asked David Frum what was up with his tweets about Serena Williams. In case you dont pay close attention to the musings .\r<br>\r<br>Senior Editor for The Atlantic David Frum tweeted out quite the accusation about tennis star Serena Williams. NESN.coms Keely Flanagan has more on the .\r<br>\r<br>David Frum caused a stir on Twitter suggesting Serena Williams may be on steroids, heres what he has to say. David Frum caused a stir on Twitter suggesting .
