President Barack Obama greets people as he leaves Joint Base Pearl Harbor-Hickam, adjacent to Honolulu, Hawaii, en route to Washington on Jan. 1, 2017, after his annual family vacation on the island of Oahu. President Barack Obama greets people as he leaves Joint Base Pearl Harbor-Hickam, adjacent to Honolulu, Hawaii, en route to Washington on Jan. 1, 2017, after his annual family vacation on the island of Oahu.