Prime-time viewership numbers compiled by Nielsen for June 24-30. Listings include the week’s ranking and viewership. 1. “Democratic Debate” (Thursday), NBC, MSNBC, Telemundo, 18.1 million. 2. “Democratic Debate” (Wednesday), NBC, MSNBC, Telemundo, 15.3 million. 3. “America’s Got Talent,” NBC, 10.14 million. 4. “60 Minutes,” CBS, 7 million. 5. “The Bachelorette,” […]