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Trump's staunchest supporters explain why they're backing him for reelection

Both the Trump and Biden campaigns are setting their sights on the crucial battleground state of Pennsylvania. Mr. Trump narrowly won the state in 2016, but is currently trailing his Democratic rival, according to the latest CBS News Battleground Tracker poll. "CBS This Morning" co-host Tony Dokoupil went to the president's rally in Erie, Pennsylvania, Tuesday night and joined CBSN to discuss what he learned.
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