President Abraham Lincoln poses with his youngest son Thomas, nicknamed Tad, in this undated photo, which was found in a family album belonging to Mrs. James Gaines of Philadelphia. The boy was known for being a sensitive youngster. On Christmas 1864, Tad, then 10, took the spirit of the season to heart and invited some street urchins into the White House for a meal. The cooks refused to feed the children until Tad took up the issue with the president, who ordered that the children be fed.
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