presidents have faced formal impeachment proceedings today president donald trump became the 4th tonight the politics of impeachment i'll ask a former watergate prosecutor if he thinks impeachment can be fair and can the constitution survive the politicians who promised to protect america from berlin this is the day. this is it that anything personal that a president isn't about politics it can tout patriotism the houses impeachment inquiry has exposed the truth the white house launched a shadow foreign policy president trump led an extortion shakedown scheme over the ukrainian president abused his power undermined our national security and undermined the integrity of our elections democrats are trying to impeach the prez