>> the president defiant, despite asking ukraine for a favor, investigate joe biden. and he offered to get the attorney general involved. welcome back to "early start" on a thursday. i'm dave briggs. it's 5:29 eastern time. a busying series of events leading up to one of the most inform dies. the whistleblower account for the call from the president, has been declassified. it will be released as early as this morning. one lawmaker called it alarming. it says the pressure put on president zelensky will likely prompt trump aides to testify. "the washington post" reported new details of the complaint. cnn has learned the anonymous whistleblower has agreed to testify, provided his lawyers get security clearance to attend. >> the white house released the transcript of his call to