increasingly under scrutiny for his past statements on islam and other issues, stephen bannon whospower is writing within the new white house, andrea mitchell reports. >> reporter: he's at the president's side at nearly every photo op. chief white house strategist steve bannon aside from the family, first among equals in president trump's power circle. >> what bannon wants? nothing short of a revolution. a pop lift revolution in the united states. republican in name but trump in style. >> reporter: his influence stretching from politics to foreign policy. now on the national security council principles committee. >> he's got a tremendous understanding of the world and the geopolitical landscape. >> surprisingly a retired