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Former Rep. Gabrielle Giffords, D-Tucson, with House Speaker John Boehner listen at a ceremony honoring Gabe Zimmerman, a Giffords aide who was one of six killed in the 2011 Tucson shooting that wounded Giffords and 12 others. (Cronkite News Service photo by Mary Shinn)

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Flake, Giffords part ways on gun-buyer background checks

Minutes after he shared a stage with former Rep. Gabrielle Giffords Tuesday, Sen. Jeff Flake, R-Ariz., said he still plans to oppose a bill supported by Giffords that calls for expanded background checks for gun buyers.