formally file paperwork to create a pro booker super pac called dream united. however, booker has not said weather he would welcome the support of a super pac. philips told the times he has raised $4 million. pacs affiliated with phillips have spent millions supporting democrats in this year's midterm elections. cory booker has said that he will decide whether to seek the democrat party's nomination over the coming holidays. coming up, jim vandehei has a look at this morning's one big thing. and president trump faces yet another high profile exit from his administration. >> capping off what has been a week of the white house seeming to unravel from within. "morning joe," everyone, just moments away. ust moments away - [narrator] the typical vacuum head has its limitations,