For the first time in history two black candidates, President Barack Obama and Herman Cain, may run against each other for the presidency. As it did three years ago, discussions of race and racism continue to play out around both campaigns.
IRA FLATOW, host: Joining us now is Flora Lichtman, one of the, with...
(SOUNDBITE OF LAUGHTER)
FLATOW: How are you, Flora?
FLORA LICHTMAN: I'm pretty good. How are you?
FLATOW: I'm getting the mouth to work better. What do we got this week?
LICHTMAN: This week is pretty neat. We have footage, really beautiful, high-speed footage of a moth. And believe me, this is a moth like you have never seen it before. When I think of moths, I think of them bumping into lights and bumping into my screen door - clumsy.