Impeachment inquiry: Trump vs. Nixon
President Trump suggested China and Ukraine should open investigations into Joe and Hunter Biden, stating publicly what he is accused of insinuating on the July call with the Ukrainian president at the center of House Democrats' impeachment inquiry. Nikole Killion brings us the latest from Capitol Hill. Then, history professor and author Kathryn Olmstead joins CBSN to take a closer look at the difference between this impeachment inquiry and the 1970s inquiry into President Richard Nixon.