By Adam Zagoria of ZagsBlog No one has ever doubted Karron Johnson’s basketball talent. At 6-foot-8, 240 pounds, Johnson, of Division II Shaw University, has drawn comparisons to Tracy McGrady and Marquis Daniels. Johnson’s father was murdered when Karron was 5, and a series of academic and off-the-court issues prevented the Richmond, Va., native from ever making it into the Division 1 basketball ranks. “Karron’s talent has never been an issue,” said James Black, Johnson’s North Carolina-based mentor. “He does have NBA talent. But his path is going to be