Citizens United decision at root of war on public union workers

JAMES P. HOFFAThe spark that has fired protests in communities across our great country was actually struck more than a year ago. It wasn't in Wisconsin on Feb. 11, when Gov. Scott Walker filed a bill to strip government workers of their collective bargaining rights, setting off weeks of massive protests in Madison.Shameful rulingThe real spark was struck in Washington, D.C., on Jan. 21, 2010,