Suddenly, we were vulnerable. Not just to disease, tornadoes, accidents, or criminals, but to the kinds of enemies that had always threatened others but never us.
Barack Obama remembers that after the second plane hit, he left the Chicago building that housed his state-Senate office. “I stood in the street and looked up at the Sears Tower, fearing it might be a target, too,” he told me in a recent email exchange, adding, “I remember rocking Sasha to sleep that night, wondering what kind of world our daughters were going to grow up in.” He continued, “With nearly 3,000 people killed in the places where we lived our daily lives, there was a feeling that our homeland was truly vulnerable for the first time.”