You think terrorists drove us mad with fear, try actually reading some of the history of the 20th century and imagine what we would have done, in an era before our modern feeling of entitlement to privacy and to open dissent, when our enemy was vast, spectacularly well-armed, beat us into space, and had nuclear missiles pointed in our face.
The compass points towards liberty, but sometimes we walk east, or west, or, during the Kennedy and Nixon and Reagan administrations, fucking south.
There is an interesting interview with him at http://depts.washington.edu/labhist/cpproject/caughlan_inter...
It is worth noting that our strong protections of open dissent were specifically created by the court in response to very dramatic overreaches by the government.
The notion that protesters ended the Vietnam war is also ahistorical, a fiction designed to flatter the boomers.