democratic presidential candidate tom steyer is joining us now. tom, i guess i should call you mr. steyer since we've never actually met, but i'll call you mr. steyer to be polite. thanks for joining us. how much do you expect mueller's testimony on wednesday to shift the conversation on this issue? >> i believe that mr. mueller's testimony will show the american people that mr. trump obstructed justice multiple times. and all of our research shows that when people hear that, they say three things. whether they're trump voters or not trump voters. they say, i didn't know that. he's a liar and a cheat. if i did that, i'd go to jail. i think it's a very important moment, wolf. >> it certain sli potentially at least. the chairman jerry nadler says there's very substantial everyday the president is guilty of high crimes and misdemeanors.