Michael Tesler

Mr. Trump vocally opposed birthright citizenship in all three of his presidential campaigns. … By 2016, as Mr. Trump continued to hammer the issue, Hillary Clinton, the Democrats’ presidential nominee, and the rest of the party coalesced around strong and sustained support for birthright citizenship. “They were so angry with Trump’s approach, it pushed them into a more positive direction,” said Michael Tesler, a political science professor at University of California, Irvine.

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