Republican Party presidential primary poll leader, Donald Trump, issued a immigration policy plan this week. In the quiz below, excerpts from the plan (in bold) prompt multiple choice questions. See how you do in answering the questions prompted by Mr. Trump’s observations about immigration law and his  policy prescriptions. 1. We are the only country in the world whose immigration system puts the needs of other nations ahead of our own.  What is the number of refugees per 1,000 people…