I was walking through a deserted downtown on Christmas Eve with a friend, past the lonely, gray Treasury Building, past the snowy White House with no president inside.
"I hope the terrorists don't think this is a good time to attack," I said, looking protectively at the White House, which always looks smaller and more vulnerable and beautiful than you expect, no matter how often you see it up close.
I thought our guard might be down because of the holiday; now I realize our guard is down every day...
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