Donald Trump waves the terrible towel upon entering a campaign event at Ambridge High School. Michael Henninger/Post-GazetteDonald Trump waves the terrible towel upon entering a campaign event at Ambridge High School. Michael Henninger/Post-GazetteAttendees cheer as Republican Presidential candidate Donald Trump speaks at Ambridge High School. Michael Henninger/Post-GazetteRepublican Presidential candidate Donald Trump speaks at Ambridge High School. Michael Henninger/Post-GazetteRepublican Presidential candidate Donald Trump speaks at Ambridge High School. Michael Henninger/Post-GazetteRepublican Presidential candidate Donald Trump exits the stage after speaking at Ambridge High School. Michael Henninger/Post-GazetteRepublican Presidential candidate Donald Trump works the rope line after speaking at Ambridge High School. Michael Henninger/Post-GazetteRepublican Presidential candidate Donald Trump works the rope line after speaking at Ambridge High School. Michael Henninger/Post-GazetteRepublican Presidential candidate Donald Trump works the rope line after speaking at Ambridge High School. Michael Henninger/Post-GazetteRepublican Presidential candidate Donald Trump works the rope line after speaking at Ambridge High School. Michael Henninger/Post-GazetteRepublican Presidential candidate Donald Trump speaks with U.S. Rep. Mike Kelly while working the rope line at campaign event at Ambridge High School. Michael Henninger/Post-GazetteDavid Bucka of Ambridge carries his son Nico, 6, on his shoulders while while waiting in line to enter Ambridge High School for a Donald Trump campaign event. Michael Henninger/Post-GazetteDonald Trump supporters yell at a group of pro-Hillary Clinton protesters gathered across the street while waiting in line to enter Ambridge High School for a Trump campaign event. Michael Henninger/Post-GazetteDonald Trump supporters yell at a group of pro-Hillary Clinton protesters gathered across the street while waiting in line to enter Ambridge High School for a Trump campaign event. Michael Henninger/Post-GazettePro-Hillary Clinton protesters gather across the street from the line of people waiting to enter Ambridge High School for a Donald Trump campaign event. Michael Henninger/Post-GazetteDonald Trump supporters yell at a group of pro-Hillary Clinton protesters gathered across the street while waiting in line to enter Ambridge High School for a Trump campaign event. Michael Henninger/Post-GazetteDonald Trump supporters wait in line to enter Ambridge High School for a Trump campaign event. Michael Henninger/Post-Gazette
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