Every time Tucker was making an excellent point, Swalwell interrupted with a rehearsed question.
Note to Tucker. Don't let professional weasels sidetrack you; always return to your (most excellent) point before answering.
Also, it's okay to remind guests to be courteous; and, that if they interrupt, everyone knows that he's afraid of your issue and point. (Nice interview, however.)
This is my gun (photograph excluded due to FR restrictions).