It’s hardly news that, in rock ’n’ roll, an ego as big as all outdoors has never done its owner any harm. Indeed, a degree of extremism has always been part of the nature of the beast. In previous times, often mercifully for us consumers, the worst excesses of egomania were confined to the concert hall and, basically, if you didn’t want to watch Ted Nugent’s special effects crew simulate full scale, global nuclear war right on stage, you could always stay home with a good book. Today, however, thanks to the miracle of cable TV and courtesy of MTV and its rivals, we can have the silly fantasies of rock stars piped straight into our homes, 24 hours a day in living color. Possibly the most depressing thing about protracted watching of MTV is how the bad, the ill-conceived and dopey so totally hold sway. There’s much implicit in rock ’n’ roll that’s far better left to the imagination.