‘Hit him again’: Is Congress returning to 19th century violence?

Last week's insults and threats of violence in Washington had a familiar tune: last time something like it played, things didn't end well.

Bob Greene : History, as said, never repeats completely, but if we listen closely, we can occasionally hear it rhyme.

The worst example of violence inside the Capitol remains May 22, 1856 , when a South Carolina senator was beaten with a cane.