Edward Kish said he bought a Christmas tree two days before the shooting but hasn't had the heart to put it up or decorate it.
"I'll still put it up, probably," he said. "It doesn't seem right, and it doesn't seem like Christmas."
Contributing to this report were Associated Press writers Allen G. Breed, Helen O'Neill, John Christoffersen, Katie Zezima and Pat Eaton-Robb in Newtown; Michael Melia in Hartford; and Larry Margasak in Washington and AP Business Writer Joshua Freed in Minneapolis.
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