Close, but no Obama. Former President Joe Biden spotted a familiar face on stage during his portrait unveiling at Syracuse University School of Law Tuesday and demanded the man join him at the podium in an awkward exchange.   “I always want to turn around to one guy and say … ‘Barack, what are you doing?’” Biden joked during the event at his alma mater.  The 83-year-old former president was referring to Jeffrey Scruggs, who is black and the chairman of the school’s Board of Trustees, and