This is veering far off course from Leo Strauss, but when it comes to the power of the mass media, optimistic predictions are usually wrong. Historian Barbara Tuchman concluded before she died that the invention of television had largely been a disaster for the US, except as a consolation for the elderly and hospitalized, who can't get around. I tend to agree with her. TV was supposed to make the world smaller and nicer by showing everyone what people are really like, so you don't need to rely on negative stereotypes and hearsay. In many respects, it only makes the negative stereotypes more believable because you see them everyday on TV, rather than once in awhile.
Moreover, it makes the have nots much more envious and enraged at the power of the haves because they have to watch them everyday on TV and watch their lifestyles, etc. I remember reading a great article that David Mamet wrote in the Village Voice a couple of years ago called, "Why I am no Longer a Brain-Dead Liberal." What finally motivated him to give up brain-dead liberalism was listening to NPR everyday and their romanticization of Muslim fanatics and the Palestinians. It enraged him in a way that print journalism probably wouldn't.
On the other hand, Saturday Night Live probably has a beneficial effect on peaceful coexistence, so I suppose you could argue it both ways.
