WASHINGTON (AP) — A half-century after the Tet Offensive punctured American hopes of victory in Vietnam, Defense Secretary Jim Mattis is visiting the former enemy in search of a different kind of win: incremental progress as partners in a part of the world the Pentagon has identified as vital for the United States to compete with China and Russia. Mattis, a retired general who entered the Marine Corps during Vietnam but did not serve there, departed Washington on Sunday for an initial two-day stop in Indonesia, followed by a visit to Hanoi on Wednesday and Thursday for talks with senior government and military leaders. By coincidence, Mattis will be in Vietnam just days before the 50th anniversary of the communist offensive on Jan.Read more on NewsOK.com