President Obama acknowledged on Thursday that he lived with his Kenyan uncle for a brief period in the 1980s while preparing to attend Harvard Law School, contradicting a statement more than a year ago that the White House had no record of the two ever meeting. Their relationship came into question on Tuesday at the deportation hearing of his uncle, Onyango Obama, in Boston immigration court. His uncle had lived in the United States illegally since the 1970s and revealed in testimony for the first time that his famous nephew had stayed at his Cambridge apartment for about three weeks....