Trickling Down

On today’s show: Alex Prud'homme explains how collaborating on a memoir with his great-aunt, Julia Child, inspired him to investigate our planet’s dwindling supplies of fresh water. Singer/songwriter Jim Lauderdale performs live and talks about his new album, “Reason and Rhyme.” We’ll look back at the “hot coffee” lawsuit against McDonald’s and how it has influenced the debate over tort reform. Plus, we’ll examine the changing definitions of family in the United States.