"This is not the first time in the history of the Democratic Party that there have been differences of opinion," Mr. Perez said.
Tom Perez, Labor secretary, praises Hillary Clinton despite her opposition to Pacific trade deal →
Mr. Perez said Ms. Lynch is someone of "great integrity," and that he trusts her.
Tom Perez, Labor secretary, defends Attorney General Loretta Lynch's meeting with Bill Clinton →
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