Jerrold Nadler: Trying To 'Firm Up' Robert Mueller Testimony | The Beat With Ari Melber | MSNBC

Jerrold Nadler: Trying To 'Firm Up' Robert Mueller Testimony | The Beat With Ari Melber | MSNBC

Barr declines to testify before Dem-led House panel

Barr declines to testify before Dem-led House panel