Assistant to the President for Homeland Security and Counterterrorism John Brennan met on Thursday with Yemeni President Abdo Rabu Mansour Hadi during Hadi\'s first official visit to Washington, the White House announced on Friday. Vice President Joe Biden joined the meeting to welcome Hadi to the White House and thank him for his efforts to secure U.S. diplomatic personnel and embassy in Yemen, the announcement said. \"The vice president assured President Hadi of the administration\'s commitment to supporting Yemen during its historic political transition, commended Hadi for his efforts to organize an inclusive national dialogue and to restructure the military, and expressed appreciation for the Yemeni government\'s strong and sustained counterterrorism cooperation with the United States,\" the statement said.