About 6 million people tuned in for Wednesday night’s Democratic debate on a busy, ultra-competitive night of cable news programming.The Hillary Clinton-Bernie Sanders meet-up was broadcast by Univision, where it averaged about 2 million viewers, and simulcast by CNN, where it averaged 3.94 million. The result was on par with the Clinton-Sanders debate on Sunday in Flint, Michigan. That two-hour match-up averaged 5.5 million viewers just on CNN. Wednesday’s debate ...