Connolly: Whether Mueller testifies ‘won’t be his choice’

After special counsel Robert Mueller spoke out about his investigation, some Democrats felt they had new motivation for impeachment. Judy Woodruff talks to Rep. Gerry Connolly, D-Va., about Mueller's "consequential" remarks and how they differed from Attorney General William Barr’s, why Mueller should still testify before Congress and and whether Democratic opinion on impeachment is shifting.