The government just needs to show the connection between Muslim protests and the inevitable breech of peace. Like this:
http://www.google.com/#hl=en&sclient=psy-ab&q=muslim+protests+turn+violent&oq=muslim+protests+turn+violent&gs_l=serp.3...7299.11150.0.11322.14.14.0.0.0.0.195.1748.1j13.14.0.les%3B..0.0...1c.1.ghypLQwbnEk&pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.&fp=8f6a380074f83e6a&biw=1440&bih=712
Held: Since the statute, by its words and as applied, purports to punish mere advocacy and to forbid, on pain of criminal punishment, assembly with others merely to advocate the described type of action, it falls within the condemnation of the First and Fourteenth Amendments. Freedoms of speech and press do not permit a State to forbid advocacy of the use of force or of law violation except where such advocacy is directed to inciting or producing imminent lawless action and is likely to incite or produce such action. Whitney v. California, 274 U. S. 357, overruled.