Let me begin by saying that the reports about large numbers of Somalis being brought into the US illegally are genuinely alarming. Despite that, my interview on Fox Business Channel last night represented a recognizable (though highly entertaining!) descent into insanity. Watch for yourself: I thought it was worth making a few points about this interview, because it touches on some broader, and genuinely important, issues. First of all, there should be no question that I correctly pointed out the hyperbolic premise of the segment. The host set up the segment as follows: security briefs say that “as many as…