Bush memoir includes quitting fantasies , fears for troops . Obama and Obama `` had much more in common than I expected , '' ex- White House chief writes . Gates served as defense secretary from 2011 to 2011 . -- The price of public service : . In the end , `` I was just exhausted from the 2011 fights , '' he writes .
Bush memoir includes quitting fantasies , fears for troops . Obama and Obama `` had much more in common than I expected , '' ex- White House chief writes . Gates served as defense secretary from 2011 to 2011 . In the end , `` I was just exhausted from the 2011 fights , '' he writes .