Secretary of State Pompeo's role examined in impeachment inquiry
A top State Department official, David Hale, is testifying in the impeachment inquiry against President Trump. Democrats want answers from him about the removal of former U.S. ambassador to Ukraine Marie Yovanovitch. This comes as Secretary of State Mike Pompeo becomes increasingly involved in the inquiry. CBS News State Department and foreign affairs reporter Christina Ruffini joins CBSN to explain the latest developments.