History Repeating Itself with Campus, Urban Protests?

Lately we are reminded of the Sixties, with its atmosphere of university sit-ins and urban protests and riots. The university demonstrations have been highly mythologized; the urban protests were very real. Michael Barone makes the point that these came during a period of liberal governance, with high expectations of the future.  What followed was the rise of the silent majority, and many years of relatively conservative administrations.  Here's his provocative piece:  An unhappy history repeating itself