keep investigating. chairman nadler says that he will go to court if the former white house counsel don mcgahn does not comply with a subpoena. mcgahn is an important fact witness. he sat for 30 hours of questioning from the mueller team and his name is in the mueller report more than 500 times. republicans from the judiciary committee have argued that democrats have no right to the grand jury material and should propose a bill to get access to it. the chief congressional correspondent mike emanuel reporting live on capitol hill. mike? >> good afternoon. the house judiciary chairman is sending a clear signal that even though lawmakers are leaving the house for a six-week recess, the investigation work continues and lawmakers are not bound to the former special counsel's report. >> appears to be compelling evidence of the president's misconduct outside of the four corners of the redacted version of the mueller report. and we will work to uncover that