No one should expect the President to know everything the NSA is doing, said Julian Zelizer, a professor of history and public affairs at Princeton University.
"But when you're talking about the surveillance of world leaders, and an issue that's been controversial for a while now, you would expect that there's some knowledge either by the President or people surrounding him. ... I do think there's surprise that this was off the radar in the inner circles of the White House."
"But when you're talking about the surveillance of world leaders, and an issue that's been controversial for a while now, you would expect that there's some knowledge either by the President or people surrounding him. ... I do think there's surprise that this was off the radar in the inner circles of the White House."
