Podcast:EconTalk Published On: Mon Feb 23 2015 Description: Michael Munger of Duke University talks with EconTalk host Russ Roberts about his latest book (co-authored with Kevin Munger), Choosing in Groups. Munger lays out the challenges of group decision-making and the challenges of agreeing on constitutions or voting rules for group decision-making. The conversation highlights some of the challenges of majority rule and uses the Lewis and Clark expedition as an example.