In an especially candid interview airing on ABC's "World News" Monday, the president says he never anticipated the Iraq War.
Calls the intelligence failure there the "biggest regret" of his presidency.
On how he wants Americans to remember him: "I hope they feel that this is a guy that came, didn't sell his soul for politics, had to make some tough decisions, and did so in a principled way."
Click above for a video clip. Read transcript here.
