Tesla has appointed long-time Chipotle executive Jack Hartung to its board of directors, effective June 1.As part of the board, Hartung will join Tesla's audit committee, the electric vehicle company disclosed in a filing with the SEC on Friday.The addition comes as Tesla battles sinking EV sales and eroding profits, and concerns that CEO Elon Musk is focusing too much attention elsewhere, including in his role leading President Donald Trump's Department of Government Efficiency. The company's stock price i ...