Donald Bren

Orange County has voted for the GOP in every presidential election since 1936. This year, it could go blue

Orange County has voted for the GOP in every presidential election since 1936. This year, it could go blue

It was the home of Richard Nixon, the cradle of Ronald Reagan’s career and, for decades, a virtual synonym for the Republican Party of California.

Now, for the first time since the Depression, Orange County stands on the verge of choosing a Democrat for president, potentially ending the longest streak of Republican presidential victories of any county in the state.

That possibility symbolizes how the American political map has been upended by Donald Trump’s campaign: He has sped up a decade-long shift in which the GOP...

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