When our daughters set off for their first day at their new school, I will never forget that winter morning as I watched our girls, just 7 and 10 years old, pile into those black SUVs with all those big men with guns. And I saw their little faces pressed up against the window, and the only thing I could think was, what have we done?

See, because at that moment I realized that our time in the White House would form the foundation for who they would become and how well we managed this experience could truly make or break them. That is what Barack and I think about every day as we try to guide and protect our girls through the challenges of this unusual life in the spotlight, how we urge them to ignore those who question their father’s citizenship or faith.

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