Rob Dyrdek, star of MTV’s Rob Dyrdek’s Fantasy Factory, 7-Eleven stores and Los Angeles District 4 Councilmember Tom LaBonge have partnered with street skateboarding’s biggest stars to open a state-of-the-art Skate Plaza at North Hollywood Park.  The theme of the Skate Plaza includes Rob Dyrdek’s authentic street skateboarding cartoon and Wild Grinders toy line.  As…