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Trump holds listening session with Florida high school shooting survivors 2:23

Trump holds listening session with Florida high school shooting survivors

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Student walkouts, marches take gun control fight to the streets

Woman destroys her gun in wake of Florida high school shooting 3:45

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Sheriff, NRA spokeswoman, clash at CNN Town Hall 1:21

Sheriff, NRA spokeswoman, clash at CNN Town Hall

Trump announces plan to visit Parkland, FL after school shooting 3:08

Trump announces plan to visit Parkland, FL after school shooting

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Trump to American children after Florida school shooting: You are never alone

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White House lowers U.S. flag after Florida school shooting

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Who is Rob Porter?