And the second is there was obstruction. and how far he'll go. he merely outlined the facts, the nexus, the intent. all the elements. he didn't link them and say there was obstruction. i think he'll be asked that and pressed that today. >> carl, it strikes me if the democrats want to move the needle as you're suggesting could be possible today, they couldn't have a worse witness than robert mueller because mueller is reticent in the extreme. he has been described as everything from reluctant to uncooperative. he doesn't want to move any needles today. >> we don't know what his purpose or mind ...