I would say it's more a check on unbridled politicial enthusiasm, rather than a conservative turn per se.
mbs
> >It all started with The Who, for replacing optimism with cynicism,
> >("Meet the new boss, same as the old boss.")
>
> I think Bob Dylan beat them to it, with "My Back Pages," which I
> thought of as a conservative anthem in my right-wing days. I was so
> thrilled he used the word "liberty," dear to every libertarian heart.
> Doug
>
> MY BACK PAGES