Republican state senators in Oregon have disappeared this month in an attempt to block a vote on climate change legislation. Minority parties have resorted to similar stunts for generations. One sure result: More division.


Illinois, 1840: A hasty jump


Texas, 2003: A painful retreat

Indiana, 2011: Political point scoring


US Senate, 1988: Dragged in feet first

Wisconsin, 2011: 'Not a regular tactic'