WH and more of it's secrets:
Media outlets first learned about the diversion when photographers at Camp David were told by the military that the president would be arriving by motorcade, instead of Marine One. Obama aides didn’t inform pool reporters who remained at the White House.http://www.politico.com/politico44/perm/0911/marine_one_diverted_767a4e78-60cf-4696-8df8-2a833f06b8d2.html