atlanta area district attorney fanny willis to ask the fbi for help in providing security for buildings and staff for security assistance. she is investigating the former president's effort to overturn results in georgia. she is doing her job. whether it comes to the threat he might pose to her office or democracy, she is taking his words and deeds at face value. others, sadly, still, not so much. oh joining us now, harvard legal scholar honors transcribe, author of to end a presidency, the power of impeachment. professor tribe, i want to read something that you tweeted today. i saw it. you said quote, m. trump's public confession last night all but daring the attorney general to seek a grand jury indictment against him for seditious conspiracy and for giving aid and comfort to an insurrection to quote overturn the election is the habit straw. the government must call his bluff end quote. what do you mean call his bluff? >> i mean indict him. there is no more confession that we could expect. no clearer admission of guilt