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O'Rourke doubles down on gun buyback plan after Buttigieg criticism

Former Congressman Beto O'Rourke of Texas spoke more at Tuesday's debate than at previous debates, although part of his time was spent in a testy exchange with Indiana Mayor Pete Buttigieg on gun buybacks. O'Rourke joined Ed O'Keefe and Caitlin Huey-Burns to clarify his position on guns and tax exemptions for churches.
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