Tesla board needs 'ground rules' for Musk's political activism, analyst says
1. Elon Musk's political ambitions raise concerns about his focus on Tesla. 2. Analyst Dan Ives urges Tesla board to manage Musk's political activities. 3. Musk's political party plans may detract from Tesla's growth in autonomous tech. 4. Tesla shares slid following Musk's announcement about the America Party. 5. Ives maintains a bullish outlook but stresses the need for board oversight.