NBC’s “Meet the Press” has fallen to such ratings lows that network brass ordered psychological research of the host David Gregory and his family, in a bid to make him more likable. Friends of Gregory and even his wife were interviewed by a psychologist commissioned by NBC to find out how the host of the flagship Sunday morning show might relate to audiences better. The Washington Post reported, “Last year, the network undertook an unusual assessment of the 43-year-old journalist, commissioning a psychological consultant to interview his friends and even his wife. “The idea, according to a network spokeswoman, Meghan...