Having been a Republican since Ronald Reagan’s first term, I’m embarrassed but not shocked that the establishment bosses of the Republican Party in Nassau and Suffolk chose to endorse Donald Trump [“Trump to headline Suffolk fundraiser,” News, April 8].

The Associated Press reported that its poll showed Trump attained a record unfavorability rating of 69 percent [“Up close and personal, so different,” Opinion, April 13].

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If he is the Republican Party’s nominee, I fear that not only will he lose the general election, but he also will take down many Republican incumbents with him.

Gene Durney, Wading River