Las Vegas Debate Is Most-Watched Primary Debate on Record

CNN’s Democratic Presidential debate last night was the most-watched debate this cycle. CNN says it’s also the highest-rated primary debate of all time. Nielsen fast national final data (Live +SD) shows the 8pm-10:09pmET debate averaged 4.036 million total viewers. The debate was also the highest-rated debate in the adult demo, with 1.123 million A25-54 viewers.