"There will be more changes over the coming months and there is a lot of hard work ahead but today's appointments are the first steps in delivering that vision, " he added.

BBC: Helen Boaden becomes director of BBC Radio

We work hard and sometimes it doesn't come to fruition but today it did.

BBC: Martin Johnson pleased with England after Wales victory

But I had to work very hard at it, and there's still complications from it today.

NPR: Confronting Misconceptions About Cancer Prevention

He says he works just as hard today, but is focusing more on big strategic issues than day-to-day work.

WSJ: The Forbidden City of Terry Gou