Spanberger: 'So many troubling threads' in Trump allegations

To Rep. Abigail Spanberger, D-Va., what's most troubling about the latest allegations against President Trump is that he allegedly pressured a foreign government to dig up dirt on a political opponent, and that he potentially sought to use taxpayer dollars to create that pressure. But Spanberger also told William Brangham on Tuesday that impeachment is not a “foregone conclusion.”