President’s Test: Family Vacation With Teenage Girls

As president, Barack Obama must contend with challenges of global importance, even while on vacation. But as a father, he potentially faces a test on the home front: A two-week family vacation with teenage daughters.

Malia, 16, and Sasha, 13, have come here — to the place their father spent much of his childhood — almost every Christmas since they were born, and every year Mr. Obama has been in office.

But now that they are teenagers they have entered the years when experts say children are less interested in,...