msnbc lawrence donnell really reach today claim president trump announcement monday assert executive privilege thus allow former fbi director jam comey upcoming congressional testimony could decision destroy presidency wishful think donnell part much media would like damage comey testify trump win either way white house spokeswoman sarah huckabee sanders read statement effect monday donnell tease clip potentially begin end video see might video show years pinpoint begin end trump presidency donnell say president power assert executive privilege well establish sanders say however order facilitate swift thorough examination facts seek senate intelligence committee president trump assert executive privilege regard jam comey schedule testimony comey trump fire last month testify thursday front senate intelligence committee expect discuss conversations trump include president reportedly ask let go investigation former national security adviser michael flynn.o donnell say trump politically unwise enough fire comey bold enough tell fbi director shut via wfb msnbc lawrence donnell could day trump destroy presidency video