David Ignatius: From larger than life to very human
In this Sept. 2011, file photo, new CIA director David Petraeus (right) accompanied by his wife Holly Knowlton Petraeus and Vice President Joe Biden, speaks following his swearing-in ceremony, in the Roosevelt Room of the White House in Washington. Petraeus has resigned as director of the CIA after admitting he had an extramarital affair. (AP Photo/Pablo Martinez Monsivais, File)
