Hollywood Poison! John Mayer Can't Find A Date After Being Blackballed By Famous Exes

He may be a hunk with a golden voice, but RadarOnline.com has learned exclusively John Mayer can't find a date, after being blackballed by his Hollywood exes! On the latest episode of the popular podcast Straight Shuter!, host Rob Shuter reveals the "Your Body Is a Wonderland" singer is anything but a wonderful partner. "John