After a 15-year career in television news, sometimes spent biting my tongue in the name of objectivity and balance, I retired to raise our two small children.

If you live in the overlapping world of politics and media, as I am learning, anything less than full transparency can potentially do you in.

You're never going to hear me say, 'Well, I've been critical of Obama five times, so now I need to be critical of McCain five times.' That is a false equivalence, and that's what I think is wrong with journalism.

We will fiercely challenge those forces within the education establishment who impede innovation in our schools and who protect and defend inequality and institutional failure.

During my own gap year, I learned an invaluable lesson - that I was a lousy teacher. Even though the children I 'taught,' in upcountry Uganda, were desperate for qualifications, they largely ignored me. Until, that is, I realised that they wanted to hear about other young persons around the world.

In regard to music, I just think that it's always best to have an attitude of being a perpetual student and always look to learn something new about music, because there's always something new to learn.

We need to drive down requirements for the schools. In the 19th century, we increased the quality of the schools by higher education saying, 'You can't come in unless you have these skills, unless you've taken these courses.' We did that in Wisconsin when I was there, it helped to transform the secondary school system.

One good teacher in a lifetime may sometimes change a delinquent into a solid citizen.