The war of words between the White House and Fox News is intensifying — and getting personal. * * * * * * In an e-mail message, Ms. Dunn said, “My source for the Mao quote was actually the late Lee Atwater, either in an article or bio I read after the 1988 election. Now that I’ve revealed this I hope I don’t get Keith Olbermann angry with me. Let it be noted that I also quoted Mother Teresa, but no one is accusing me of being a saint!”