As the House opens its impeachment hearing, Speaker Nancy Pelosi welcomed National Guard members who have been called in to help with security after last week's storming of the Capitol. Pelosi thanked a group of National Guard members and then went inside the Capitol to oversee the impeachment hearing. Nancy Pelosi Greets National Guard Troops in Front of U.S. Capitol The Guard said in a statement that the authority was requested by federal authorities and approved by Army Secretary Ryan McCarthy as of about 6 p.m. Tuesday. Up to 15,000 Guard members are expected to be on duty in coming days in the district to support law enforcement in connection with the Jan. 20 inauguration of President-elect Joe Biden. President Donald Trump is on the verge of being impeached for a second time, with an afternoon vote expected in the House. He faces a single charge, "incitement of insurrection," after telling a mob of loyalists to, as he put it, "fight like hell" against election results. The subsequent attack on the U.S. Capitol turned deadly and delayed finalizing Biden's election victory. Subscribe to our YouTube channel: https://bit.ly/2TwO8Gm Bloomberg Quicktake brings you live global news and original shows spanning business, technology, politics and culture. Make sense of the stories changing your business and your world. To watch complete coverage on Bloomberg Quicktake 24/7, visit http://www.bloomberg.com/qt/live, or watch on Apple TV, Roku, Samsung Smart TV, Fire TV and Android TV on the Bloomberg app. Have a story to tell? Fill out this survey for a chance to have it featured on Bloomberg Quicktake: https://cor.us/surveys/27AF30 Connect with us on… YouTube: https://www.youtube.com/user/Bloomberg Breaking News on YouTube: https://www.youtube.com/c/BloombergQuickTakeNews Twitter: https://twitter.com/quicktake Facebook: https://www.facebook.com/quicktake Instagram: https://www.instagram.com/quicktake