Union support still matters in Democratic politics and Kelly has moved to erase organized labor's doubts about him.

Sen. Mark Kelly of Arizona said he could no longer stand the association with Elon Musk.

Sen. Mark Kelly resumed his war of words with Elon Musk on Friday with a salty social media video saying he’s ditching his ...

Democratic Arizona Sen. Mark Kelly says in a video clip “I’m here in Washington driving to work for the last time in my Tesla. When I bought this thing, I didn’t think it was going to become ...