the makeshift migrant camp under a texas bridge has been cleared. the controversy over border control tactics continues, the president condemning the embarrassment on his watch. we want to welcome our viewers here and around the world. i m wolf blitzer you re in the situation room. we begin with a real and present danger to american democracy coming from the former president of the united states. donald trump is clinging to his big lie tonight despite new setbacks in that partisan arizona election audit and the investigation of the insurrection. trump took another hit just a little while ago. the white house says president biden will not shield documents from the select committee. our senior affairs correspondent paula reid is covering it all. the former president is lashing out as his bogus claims are being exposed and undermined.