ADVANCE FOR USE SATURDAY, APRIL 9 AND THEREAFTER - In this March 4, 2016 photo, Jeff Grove, the mayor of La Salle, Ill., fields questions from eighth-grade American history students at Trinity Catholic School in La Salle. Grove explained La Salle government to the 16 students in the class. (Chris Yucus/NewsTribune via AP)  MANDATORY CREDIT
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