As the House opens its impeachment hearing, the District of Columbia National Guard says it has been authorized to arm troops assigned to security duty on the U.S. Capitol grounds.
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The Pentagon is prepared to deploy up to 20,000 National Guard troops to the U.S. Capitol ahead of Inauguration Day. CBSN political reporter Caitlin Huey-Burns and Politico White House and Washington reporter Daniel Lippman joins CBSN's "Red & Blue" anchor Elaine Quijano with more on the security preparations. National Guard troops place cement barriers and fencing to help secure the National Mall ahead of President-elect Biden's inauguration. National Guard troops were seen sleeping inside the U.S. Capitol after they were called to defend our democracy and prepare for Inauguration Day. Thousands of National Guard troops have arrived in Washington, D.C. amid concerns of more potential violence in the days leading up to President-elect Joe Biden's inauguration. Congress is investigating the security failures surrounding the assault on the U.S. Capitol, as more details come to light. CBS News' Debra Alfarone joins ""CBSN AM"" with the latest.