So Conan and Jay are dominating the cultural trending topics lately. I don't like either of them but think Conan's the better writer. So for me it's just fun to sit back and watch NBC fumble over themselves. Again. Sure, some people will say that any PR is good PR – but I say bologna. In 1957, NBC launched The Tonight Show and Steve Allen was the host. Allen beget Jack Parr who beget Johnny Carson in 1962, and who…