Senate holds 1st public hearing on Capitol siege

Lawmakers to question top officials on security failures that led to the breach on the Capitol. WATCH the ABC News Live Stream Here: https://www.youtube.com/watch?v=w_Ma8oQLmSM SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #ABCNLUpdate #CapitolSiege #Lawmakers #Senate

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