Our human sense is that our will is fully free. Our scientific sense is that every action is determined by a prior action. Free will versus determinism is a big question, affecting morality, responsibility, even consciousness. Featuring interviews with John Searle, Richard Swinburne, Ned Block, Walter Sinnott-Armstrong, Alfred Mele, Thalia Wheatley, Jenann Ismael, Adina Roskies, Tim Bayne, David Hunt, and Alvin Plantinga.