Governor Scott Walker of Wisconsin calls to mind Calvin Coolidge with his bold effort to curtail the collective bargaining rights of public sector unions in his state. Now seems the right time to show our readers this photograph of Coolidge, grace under pressure, during the 1919 Boston Police Strike. Coolidge backed up state and local officials who laid off the policemen. It was a hard call, but Coolidge believed the line had to be drawn. The image below is from the National Archives.