An ambitious lobbyist faces off against the powerful gun lobby in an attempt to pass gun control legislation. VexMovies Review: I’ve seen this whole movie again this year and this movie is really cool. Most movies, even the greatest ones, evaporate like mist once you’ve returned to the real world; they leave memories behind, but their reality fades free quickly. But not Miss Sloane. If a movie can manage me to stay hooked on the whole movie online, that’s fucking…