Because there are so many shows on and because I've been so hands-on - I've had a piece on almost every single week - I don't know how to cut back on that. You really can't.
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Look, science is hard, it has a reputation of being hard, and the facts are, it is hard, and that's the result of 400 years of science, right? I mean, in the 18th century, in the 18th century you could become an expert on any field of science in an afternoon by going to a library, if you could find the library, right?