>> we had van halen rehearse at the roxie. i spent every day with eddieen and david lee roth. you don't have time to get star struck. you're on a working level with these people and a human being so whatever. >> we have two sort of funny moments caught on camera but the first from an area you would think doesn't produce many laughs. >> from the west bank. those are israeli soldiers down there on patrol on this village in the west bank and that is a tire being rolled at them from down the street, a group of palestinian adults and children. but this is all a very playful exchange because watch. he gets taken out by this tire rolling down the street. nobody is hurt. he kind of has a laugh on his face and then i have to say does something somewhat scary like playfully points the gun at the group of people. quickly takes it down and has a laugh. not that that's ever appropriate to point a loaded weapon at anyone. you can hear the laughs when the guy gets taken out by the tire. you see the smiles on the soldiers' faces after they go down. >> now we have to take

going to play us eddie van halen. but take a look at his right arm. >> he doesn't have one, huh?'t have one. he has a custom guitar pick there. he says he gave up his -- favorite hobby when he lost his arm. then he gradually got it up, to get it back. and developed this device. he really rocks it out. >> he certainly does. that sounds great. >>> moving on to the next story, there's a dog, duffy, who couldn't see. and people sort of don't tend to adopt dogs that have health problems. he couldn't see. then suddenly he is able to restore his sight. take a look at this video. look at him. he is recognizing the family for the first time. he lost his eyesight. but due to complications from diabetes he had a surgery. he is able to know this is his family by scent. look at that. he knows, this is the guy. >> protector. >> isn't he cute. just as the loyal and joyful. this time he actually has the the eyesight back. >>> finally today in "the mix," we have got some cake to talk to you about. this blogger in england is telling how the most scientific way to cut a cake. he said a way to maxim