questions, you can't have anybody present, all these crazy things. it is an unfair situation. >> reporter: democrats arguing the process is all part of their oversight duties over the executive branch. >> enough is enough. congress is going to have to do its constitutional duty. that leads to impeachment. >> reporter: a new name, a new witness. fiona hill. she is trump's former adviser who stepped down after the phone call. she is being called to go before the impeachment committees to testify on monday. >> the keyword there might be former. so the administration likely won't be able to block that testimony. suzanne malveaux, thank you very much. this morning a brand new interview with someone you've likely never heard speak. george conway. why he thinks there's a 100% chance the president will be impeached. that's next. without my medication, my small tremors would be extreme.