U.S. President Donald Trump repeated his call to arm some teachers in the wake of the high school shooting in Florida. Trump spoke before a conservative group near Washington. He is the latest in a series of U.S. presidents forced to deal with the impact of a mass school shooting and with the question of what can be done to prevent them. VOA national correspondent Jim Malone reports that presidents have often been frustrated when trying to bridge the great divide over guns in the United States.
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