** FILE ** In this Tuesday, Jan. 14, 2014, file photo, French President Francois Hollande delivers his speech at his annual news conference, at the Elysee Palace in Paris. Authorities say the mother of a pupil at a French preschool stabbed a teacher to death in front of her class Friday, July 4, 2014, the last day of the school year. Hollande expressed outrage at "this abominable drama" at the Edouard Herriot school in Albi in southern France. (AP Photo/Christophe Ena, File)
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