I hadn't seen this discussed yet.
I don't know what to think about this one. Wow.
On one hand I respect the dude for standing up for himself and calling out the Teamsters dude. He seems like the kind if dude who runs his mouth a lot and needs to br put in his place. But WTF?! Your a US senator in the middle of a hearing. Have a little self control and stop promoting violence on a national stage.