The local NBC affiliate in Charleston, South Carolina interviewed Secular Coalition for America president Herb Silverman yesterday (though not about SCA).
It’s a short clip (just over one minute), but Herb does a great job of explaining why he and other members of Secular Humanists of the Lowcountry are putting the following atheist billboard in their area:

It’s always tough to do media — even tougher when you’re edited into such short soundbytes. But I think Herb handles it well and gets his points across quickly.
The button he’s wearing is pretty spiffy, too 🙂