https://archive.ph/7bdTP#selection-331.0-331.439 “Many Communists, for example, state that they could never have married a spouse who was not a leftist. When Jews were asked if they could have married Gentiles, many hesitated, surprised by the question, and found it difficult to answer. Upon reflection, many concluded that they had always taken marriage to someone Jewish for granted.” Their commitment as Jews was even more fundamental and unexamined than their commitment to the left.