Mary Cheney, right, the openly gay daughter of Vice President Dick Cheney, stands with Heather Poe, left, her partner of 15 years, as they attend a memorial observance on the South Lawn of the White House in Washington in this Monday, Sept. 11, 2006 file photo. The decision to become pregnant and raise a child with her female partner was not political, Mary Cheney, a daughter of Vice President Dick Cheney, told a Barnard College audience.