Summerhall Field Joint Base Myer-Henderson Hall Fort Myer, Virginia 3:09 P.M. EDT THE PRESIDENT:  Forty-five years ago — in June of 1970 — a telegram arrived in upstate New York at the home of 18-year-old Marty Dempsey.  “Congratulations,” it read,…

State Dining Room 8:19 P.M. EDT PRESIDENT OBAMA:  Well, good evening, everyone.  On behalf of Michelle and myself, welcome to the White House.  (Applause.) President Xi, Madame Peng, members of the Chinese delegation — once again, I want to welcome…