As multiple outlets reported yesterday, former Apple retail chief Ron Johnson has been ousted as CEO of J.C. Penney. Johnson left Apple for J.C. Penney in 2011, and he has been replaced by his predecessor, Mike Ullman. Many are now speculating that Johnson could return to the job he left at Apple, as the position is still vacant after John Browett’s dismissal in October. Neither Apple nor Johnson has commented on such speculation at this time.…