What do you expect? NPR is probably the most professional propaganda on the airwaves today. Nobody is as good at NPR at making you think that you just heard the most kick ass in depth story about a subject - without actually hearing anything at all.
Take it easy. He had a very fair interview on New Hampshire Public Radio this morning, and he had a good interview not long ago on Houston Public Radio. That article reflects the public at large right now. We need to work harder to change the perception.