Dianne Feinstein, whose 30-plus-year tenure as a US senator was the longest in history by a woman and was distinguished by the battles she took on against gunmakers and the US intelligence community, has died. She was 90. Bloomberg's Annmarie Hordern reports on her life and legacy and what's next out of Washington. Follow Bloomberg for business news & analysis, up-to-the-minute market data, features, profiles and more: http://www.bloomberg.com Connect with us on... Twitter: / business Facebook: / bloombergbusiness Instagram: https://www.instagram.com/quicktake/?...