Just anti-mulatto:

Nixon worried that greater access to abortions would foster "permissiveness," and said that "it breaks the family." But he also saw a need for abortion in some cases -- like interracial pregnancies, he said.

"There are times when an abortion is necessary. I know that. When you have a black and a white," he told an aide, before adding, "Or a rape."

Meh, why distinguish. It's the same thing. Is there anything else to say?

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