Of his constituents. All in starts right now. Good evening from new york. Ve im chris hayes. Tonight, congress has taken a big step Forward Holding accountable those Responsible St For The January 6th attack on the capitol. Speaker out house nancy pelosi announced her intent to set up an official investigation into a the events of that day. Writing in a letter to democratic caucus, quote, it is clear that we need to establish a 9 11type commission to examine and report upon the facts, causes the security 9 relating to the Terrorist Mob Attack on january 6. Today the senate received the n first legal filings for the firstever second impeachment of a president of the United States. The house Impeachment Managers released this 80page trial memo former president for inciting insurrection. Theyre clear many what he did and deserves to be convicted writing that the nation will remember and President Trump Singular Responsibility for thaa tragedy. It is impossible to imagine the events of jan