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PHILADELPHIA (CBS) — A new development in the so-called Bridgegate case. A onetime-associate to former New Jersey Governor Chris Christie is backing off an attempt to appeal his convictions.

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Attorneys for Bill Baroni are seeking to return the case to federal district court so he can obtain a new sentence and start serving it.

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In 2016, Baroni and Bridget Kelly were convicted in the alleged plot to cause massive traffic jams at the George Washington Bridge to punish a mayor for not endorsing Christie.

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Kelly is appealing her convictions.