Scott Jennings, CNN ’s most prominent pro-Trump commentator, was triggered into swearing at a fellow panelist on live television on Thursday night after being repeatedly pressed to name a single political concession the US had extracted from its war with Iran – and failing to answer. The outburst came during NewsNight With Abby Phillip, where Jennings clashed with Adam Mockler, a 23-year-old commentator with the progressive MeidasTouch. When Mockler asked him to name a concrete gain from the conflict, Jennings responded with the party-line response that the conflict had a singular, clear purpose – preventing a theocratic regime from acquiring nuclear weapons – but Mockler shot back that the non-answer was itself an answer. “So you can’t answer the question,” Mockler replied.…