Now, it is time for the last word with Lawrence O'Donnell. Good evening, Lawrence.

Good evening, Alex. We're going to be joined tonight by Tennessee State Representative Justin

Pearson, who, as it happens, is a graduate of Bowdoin College in Maine. And so he has

been really struck by what happened in Maine in the mass murder there, Lewiston, very

close to Bowdoin College. And of course, he came to our attention because of a school

shooting in Tennessee that he was trying to bring to the attention of the state legislature

and that actually, as people recall, got him expelled. And he, of course, got him, worked

his way back in and got elected again. But he's here to consider what this means, what

it feels like to him to have that hit close to his college home, the way it hit close to

home in Tennessee.

I am eager to hear from Justin Pearson on this one. He has remarkably deep and wise thoughts

for someone so young on a host of really complicated and distressing topics.

Yeah, he is a unique voice. We're lucky to have him tonight.

You are. I'll be watching.

Thanks, Alex. Thank you. I have no understanding. Those were the under oath words of Donald

Trump Jr. today when his temporary job title was witness number 21, called to the witness

stand by New York Attorney General, the T. James, to testify against his father. Donald

Trump Jr. is a co-defendant with his father in the case. And because it is a civil case,

the defendants can be forced to testify.

There was a time when Donald Trump Jr. was the least likely member of the family to go

to work for his father and eventually become a co-defendant with him in a profile of

Donald Trump's first three children in New York magazine in 2004 in which they all cooperated

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