Photo illustration by Slate. Photos by hapabapa/Getty Images Plus, Doug Mills/Pool/Getty Images News, and Seth Poppel/Yearbook Library. Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. Long before Neil Gorsuch was a Supreme Court justice casting pivotal votes in society-quaking decisions on everything from voting rights to affirmative action to abortion, he was that friendly “debate you” dweeb everyone tried to avoid in the college dorm. You know that guy? The one who seemed to lurk in the common area, waiting for anyone to come along so he could make a right-wing argument based on his own highly technical notion of what the rules are , no matter how ridiculous the result? Gorsuch would engage on any topic, but his favorite was abortion.…