godspeed, as we say. >> yes. >>> let's talk about the miami dolphins.s logo. >> i mean, this is ridiculous. >> you don't like it? i like it. they changed their logo. can we see the logia? >> yeah, this is just dinner. >> it's a dolphin that's going like -- he looks like a bionic dolphin. >> well, here's whenever a team does this, it's a sign of desperation. that's a sign that you've got issues. green bay packers, dallas cowboys, how many times have they changed their logo? >> i don't think they've changed it. >> that's why combined they have won six super bowls. that was the early '70s. >> the first looks safer, into you it's wearing a helmet. >> that's exactly right, especially with the safety-conscious -- >> i like the new one, though. lighten up a bit. they'll be all right. thank you, terrence. >>> a graffiti artist often risks prosecution while creating what some see as an uneasy mix of art and politician. add to that a government that doesn't allow criticism of itself. next, what is it like to be a graffiti artist on the streets of iran? um. listen