Note: Video included. Peaceful preaching inside, violent message outside a New York mosque New York (CNN) -- SNIPPET: "Protected by the Constitution of the country they detest, radical Muslim converts like Yousef al-Khattab and Younes Abdullah Mohammed preach that the killing of U.S. troops overseas is justified. In their thinking, so were the September 11, 2001, attacks on the United States -- and so are attacks on almost any American. "Americans will always be a target -- and a legitimate target -- until America changes its nature in the international arena," Mohammed said in an interview to air on tonight's...