Warren, Biden and Buttigieg spoke the most at fifth Democratic debate
11:39pm PST - November 20th, 2019 democratic debate - CBS NewsSenator Elizabeth Warren, former Vice President Joe Biden and South Bend Mayor Pete Buttigieg each spoke for more than 11 minutes at the fifth Democratic debate, while Tom Steyer and Andrew Yang had the least amount of speaking time. CBSN's Tanya Rivero talks…