https://www.reuters.com/article/us-tesla-musk-sec/elon-musks-defense-of-his-tesla-tweet-will-get-sec-response-idUSKBN1QT2N1 >The top U.S. securities regulator received permission from a federal judge on Tuesday to respond to Tesla Inc Chief Executive Elon Musk's arguments that his Twitter post about the electric vehicle maker’s production volume did not violate his recent fraud settlement.