Blogged By: De De Tillman Source & Story Credit: L.A Now/Los Angeles Times Posted: Tuesday June 19, 2012 @ 6:57 p.m PST   According to LA Times,  Singer Stevie Wonder’s nephew Alpha Lorenzo Walker 38 and his girlfriend Tamara Eileen Diaz is in court on extorting the singer.   STEVIE WONDER NEPHEW AND GIRLFRIEND IN…