FILE – In this Sunday, March 20, 2016 file photo, Vice President Joe Biden places his hand over his heart after addressing the American Israel Public Affairs Committee (AIPAC) Policy Conference in Washington. Jewish American voters have leaned Democratic for decades, but the GOP is still eyeing modest gains with the constituency in states where President Donald Trump could reap major benefits with even small improvements over his performance in 2016. (AP Photo/Cliff Owen)
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