The Occupy movement is stepping up its confrontational tactics, plotting “alternative forms of protest,” including flash mobs that can be deployed nationwide. Citing the success of last week’s so-called Day of Action protests, Take to the Square, one of Occupy’s main online planning forums, has devised an “Alternative Day of Action” to coincide with international Human Rights Day on Dec. 10. “Our freedom and dignity are under attack as a result of market dynamics and corrupt government institutions that are turning our local and global societies into increasingly unjust places,” the site complains. The Occupy forum calls for “alternative forms...