“If you don’t know, say that you don’t know. Now, people on the radio, esp
“If you don’t know, say that you don’t know. Now, people on the radio, especially on NPR, are much more aware that they’re going on the record, and so they’re more careful about what they claim to be an expert in and what they claim to know for sure. Do that. Err on the side of caution. Talk should not be cheap.”