Modern Bidding – Modern Slam Bidding Series 2: Key Card vs. Controls – June 07, 2020 Video Course You cannot view this unit as you're not logged in yet. To access this content, you must purchase Modern Bidding: Modern Slam Bidding Series 2: Key Card vs. Controls (June 7 2020).Post navigationPrevious post: Modern Bidding – Modern Slam Bidding Series 1: Modern Control Bidding – May 31, 2020 Video CourseNext post: Conventional Wisdom – 1NT Forcing & Invitational Auctions – April 27, 2020 Video Course