By Ellen Laipson:

Five years after the killing of Osama bin Laden, the U.S. public seems to understand that the fight against terrorism is a struggle that’s here to stay. The challenge for government officials is to manage the threat without exacerbating it, or allowing terrorism to monopolize the time and resources at the expense of other compelling public policy needs. Most people get that—that is, until the next attack happens and the second-guessing starts. 

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