haven't been heard from. i want to play that moment as well. >> why then, sir, with your courage to come before us does that same standard not apply to mr. mulvaney, mr. did you hauff bolton, mr. volk, mr. giuliani? why shouldn't that beat within their hearts and do what you have done, sir? indeed, why doesn't that same standard apply to the president of the united states? >> i wish i could answer. >> i suspect you can't because there is no good answer. >> as you said, you want to hear from them. you want to see these documents. if you don't, however, if you don't hear from some of these officials, do you believe democrats can convincingly make their case against the president? >> he did it, erica. the case has already been made. look -- >> you don't need to see