already calling this an impeachment investigation. with 100 house democrats now publicly supporting such an inquiry, speaker nancy pelosi said she's not trying to run out the clock on impeachment. but said the house will proceed when it has what it needs. not one day sooner. the house is shrugging off the impeachment hints. a top aide said the president is in very good spirits. i'll speak with congressman jamie raskin of the judiciary committee and our correspondents and analysts will have full coverage of the day's top story. but first straight to capitol hill. our senior white house correspondent manu raju is standing by. huge developments there. take us through it. >> reporter: after weeks of democratic in-fighting over whether to open a formal impeachment inquiry, now democrats are saying they are essentially in one. this afternoon cited in a new court filing that they need key information to determine whether