people.com : As American Idol’s talent search headed to Charlotte, N.C., on Wednesday, the already-tense relationship between judges Mariah Carey and Nicki Minaj went even further south.
Things got so heated that the production had to shut down for a bit, leaving a speedway full of aspiring singers sitting idle. The cause of the friction? Disagreements over the judges’ varying styles of critique – particularly when it came to 20-year-old Summer Cunningham.