The late Carl Sagan brought us many lasting intellectual treasures, among them an inspiring blend of enthusiasm, imagination, and knowledge about our cosmos. A lesser known, but still immensely useful, contribution to the never-ending search for knowledge is Sagan’s “Baloney Detection Kit,” a list of mental tools to avoid our ever-present tendency toward “magical” thinking. Sagan’s final book, The Demon-Haunted World, contains the kit along with many examples from the world of pseudoscience. On our own quest for rationality and lucidity in legal matters, we lawyers, too, can learn from Sagan’s example. Let us push back against our own lazy legal thinking by recalling the “Baloney Detection Kit.” In every case where we must prove something, in every case where our client makes a…