Newt re-affirms his marital vow of fidelity in a letter to an Iowa-based family values group:
"I will also oppose any judicial, bureaucratic, or legislative effort to define marriage in any manner other than as between one man and one woman," Gingrich wrote in a letter to The Family Leader announcing his support of the group's pledge. "I also pledge to uphold the institution of marriage through personal fidelity to my spouse and respect for the marital bonds of others."
That would actually be the fourth time Gingrich has taken a no-adultery pledge. He took the first one in 1962 when he married Jackie Battley, and then again in 1981 when he married Marianne Ginther and made a third one to Callista Bisek (now Gingrich) in 2000.