President Barack Obama, right, and first lady Michelle Obama wave as they board Air Force One at the Cape Cod Coast Guard Station in Bourne, Mass., Sunday, Aug. 21, 2016. President Obama and the first family are returning to Washington D.C. following their vacation on the island of Martha's Vineyard in Massachusetts. (AP Photo/Steven Senne)

President Barack Obama, right, and first lady Michelle Obama wave as they board Air Force One at the Cape Cod Coast Guard Station in Bourne, Mass. on Aug. 21. President Obama and the first family are returning to Washington D.C. following their vacation on the island of Martha’s Vineyard in Massachusetts.