4/21: Elijah Cummings, Mike Lee, Cory Booker

Overview

TUNE IN: This week on "Face the Nation," Bob Schieffer talks to House Oversight Committee Chairman Elijah Cummings and Sen. Mike Lee. We'll also sit down with Robert Caro and a panel of authors. And we have more of Margaret Brennan's interview with Democratic presidential candidate Cory Booker.