speaker nancy pelosi from democrats in her own party, democrats eager to start impeachment proceedings against this president. for now she is standing firmly against that. i know you ve heard this word a lot, maybe getting sick of it, subpoena, but subpoenas do matter, part of the constitution, congressional powers to check the executive. that message jumping off the pages of a brand new ruling from a d.c. federal judge rejecting the president s bid to stop his former accounting firm from turning over documents to the house oversight committee, this is key in an ongoing investigation of the investigation. manu raju is on capitol hill this morning. let s start with mcgahn, the white house counsel. what happens next with his absence and why is the panel so focused on getting him to testify under oath? reporter: well, he is a key witness who was a part of the administration for the first two years, a key witness in the mueller investigation, someone who spent 30 hours talking to the s