When arguing against those who support building the Islamic mosque in close proximity to where the Twin Towers fell, because liberals feel it is the constitutional right of Muslims to build it: Just employ the "Kiss" (Keep It Simple, Stupid) principle. Just give them the facts.
I am sure he will find other ways of reminding us of the ever present threat of terrorism from the people he supports and with whom he has secretly allied himself. It is all part of his "Change" agenda.