It was the story of the weekend: "Melania," Amazon's documentary on first lady Melania Trump, beat expectations at the box office, becoming one of the best-performing documentaries in recent years with an opening weekend gross of $7 million across 1,778 screens. (Whether it makes back its $75 million investment is another story .) Despite dismal critic reviews, the numbers suggest audiences turned out for "Melania" to support the first lady. One advocacy group suggests the reality may be more