to play with, you know, van morrison and... and the band and joni mitchell and, you know, and... kroft: it was the last time anyone performed "the wall" for two decades, until waters took it on the road in 2010. it was the second biggest grossing tour in america, and this year, "the wall" is headed to much bigger venues, like wrigley field, fenway park and yankee stadium. it's proof, waters says, that the message and the music that he wrote 35 years ago is still relevant today. at 68, roger waters is finally getting his due, and he's enjoying every minute of it. ( cheers and applause ) >> waters: people always used to say, "oh, it must be so hard. you know, you must be... god, how do you do it? you know, it must be so hard being on the road, being in a rock and roll band. it's amazing that you survived." and i would look at them like, "what are you talking about? it's the easiest job in the world." you know, somebody comes and wakes us up at about half past 12:00 in the afternoon, you know. and then you get driven to a private airport, and you climb onto, you know, whatever it mi