Family Malia leaves Obama vacation early. Where's Sasha?

President Obama is vacationing on Martha's Vineyard with just one daughter at a time. Apparently, like some teens, the highlight of their summer isn't spending two weeks with their parents.

By , Associated Press

President Barack Obama started his vacation on the Massachusetts island of Martha's Vineyard with just one of his daughters, and he may leave with just one of his daughters when the two-week getaway ends next weekend. In a first for Obama family summer vacations, neither teenager is spending the entire holiday with her father.