As James Poulous reminds me, 2010 ain't got nothing on 1968, let alone the long 1960s. Violent rhetoric?Worse.Societal polarization?Worse.Political violence, including assassinations?Much worse.It is something of a testament to how far we've come that what outrages us now is relatively tame compared to the spewings of the far left and the far right less than half a century ago.I still don't have much use for claims that center-left politicians...