By Manny Fernandez and Jack Healy:
"'She’s just worried about her kids,' he said. 'That’s all she’s thinking about right now.'
But the principal told him something else. Two of the students she had wrapped in her arms had survived."Such tragedy.
Reporting contributed by John Eligon from Moore, Dan Frosch from Denver, Michael Schwirtz from New York, and Ben Fenwick from Norman, Okla.