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FILE - In this Sept. 3, 2007 file photo, then-President George W. Bush, right, stands with Gen. David Petraeus as he arrives for a surprise visit at Al-Asad Airbase in Anbar province, Iraq. Petraeus, the retired four-star general who led the U.S. military campaigns in Iraq and Afghanistan, resigned Friday, Nov. 9, 2012 as director of the CIA after admitting he had an extramarital affair. (AP Photo/Charles Dharapak, File)

The Bush family

The Bush dynasty boasts two former U.S. presidents (George H.W. and George W.) and a former governor of Florida (Jeb). The newest addition: Jenna Bush Hager announced she is pregnant on Dec. 12, 2012.