It’s hard to watch a grown man berate another adult. This week, after a committee hearing, a senator had a question.

A staffer walks over to answer. She’s talking, then either turns away or starts moving away. A natural moment of conclusion? Or wanton insubordination?  The senator knows what he saw, and there’s a sudden turn in his demeanor.

That’s fine, walk away. Go ahead, walk away. I’m trying to ask you a question, but you walk away? Go ahead. You should show more respect. But that’s fine, walk away.

She tries to diffuse the situation. But it’s too late — He Is Not Having It. He walks out of the room. She turns to a colleague and they exchange silent glances: “WTF just happened?”

This is someone who warms his seat by virtue of an appointment, who has not yet been elected. A back bencher. And a big man.