Home › KIND ADS › Nieuws › Columbia professor: 'We didn't have to see this kind of violence' KIND ADS OverzichtNieuwsAnalysesProfielWall Open: - Verschil: - Volume: - Laag: - Hoog: - Hoog - Laag: - Type: Cryptovaluta Ticker: KIND ISIN: Overzicht Nieuws Analyses Profiel Wall Columbia professor: 'We didn't have to see this kind of violence' 101 0 Debbie Becher, professor of sociology from Columbia University spoke to NBC News' Antonia Hylton outside of the university ... NBC News