The topics include what an aging American population means for stocks and how natural gas companies benefit from a growing global middle class.Lawrence McDonald is a risk consultant, the founder of The Bear Traps Report, and the co-author of How to Listen When Markets Speak: Risks, Myths, and Investment Opportunities in a Radically Reshaped Economy.In this podcast, Motley Fool host Deidre Woollard caught up with McDonald for a conversation about:What an aging American population means for stocks.How natural ...