They are invited by conservative students who feel university is a hotbed of liberalism. What they mistake for liberalism is simply doubt, curiosity, counterarguments, and the scientific method.

Certainty is what those who feel powerless in our ever-changing chaotic world crave. That's why they love guns and gun ownership. A gun is a cheap resolution to any argument.

If these buffoons could offer reasoned arguments, they'd be welcome at universities. But they are irrational believers in Ayn Rand's John Galt and Machiavelli's The Prince. They fail to note Atlas Shrugged is a badly written novel with a hodgepodge philosophy inserted and The Prince is probably a parody of dicators as Machiavelli actually believed in democracy.