This much we know: Journalism is not a precise science. It's, on its best day, is a crude art. We make mistakes; I make mistakes. With more than 50 years as a journalist, I have at least had the opportunity to blow more stories, make more mistakes than maybe anybody in television.

I read the book [My Life by Bill Clinton] completely. And I think it compares very favorably with Ulysses S. Grant's gold standard of presidential autobiographies.

It's a legitimate point to debate. But it's part of the reality. It's happening, but it's also true they (looters) are in the distinct minority. I think there's a hero on every street corner in New Orleans, and I think the reporting has shown that. I think the balance has been there.

Performing doesn't turn me on. It's an egomaniac business, filled with prima donnas - including this one.

From the streets of Cairo and the Arab Spring, to Occupy Wall Street, from the busy political calendar to the aftermath of the tsunami in Japan, social media was not only sharing the news but driving it.

It's the ratings, stupid, don't you know? They've got us putting more fuzz and wuzz on the air, cop-show stuff.

If all difficulties were known at the outset of a long journey, most of us would never start out at all.