A mighty big shoe has dropped in the still-unfolding UAW corruption probe. This twist involves a racketeering lawsuit that GM has filed against crosstown rival Fiat Chrysler. Michigan Radio's Tracy Samilton reported on what the lawsuit is all about and how FCA has responded to it. We also talk to Detroit News business columnist Daniel Howes about how the suit, tied to an ongoing federal investigation into corruption at the UAW and FCA, might impact the legacy of the company’s late CEO Sergio Marchionne.