This week, millions of Americans will meet the cast of Democrats trying to unseat President Donald Trump. On this politics day edition of River to River , host Ben Kieffer talks with analysts about expectations for the first round of Democratic presidential debates as well as other political headlines. Also, we continue our series of interviews about the leadership of 2020 candidates with a home state view of Andrew Yang, entrepreneur and founder of Venture for America. Guests include: Wayne Moyer, professor of political science at Grinnell College Dennis Goldford, professor of political science at Drake University Teddy Schleifer, finacial reporter for Vox's "Recode"