Tonight, a look at the creation side of creative destruction

In class tonight we'll talk about the vast array of news sites now operating in the United States -- and of the pace of growth. I'm struck by how much is out there and how quickly the universe is expanding.

A group met recently in Washington to talk about the state of journalism jobs. One presenter, University of Maryland journalism professor Leslie Walker, said she's "completely confident" that in 15 or 20 years there will be more online journalism jobs than there are in newspapers today.