Darryl 'DMC' McDaniels says retailers are infringing on their trademark
                                
                                
                                    (Newser) -
                                    You know what they say about trademark law: It's tricky, tricky, tricky.  Reuters  reports Run-DMC founder Darryl "DMC" McDaniels filed a lawsuit Thursday in New York seeking at least $50 million from Amazon, Walmart, and a number of other retailers. The lawsuit accuses the retailers of infringing on...