Former Vice President Dick Cheney and his wife say they're pained the dispute between their daughters is now out in the open
The family feud burst into public view after Liz Cheney was asked about gay marriage Sunday and her sister Mary, who is married to a woman, fired back. Dick Cheney has supported same-sex marriage for nearly a decade, but in a statement Monday, he and his wife also voiced support for Liz's position. Nancy Cordes reports.
