After watching 268 new movies in 2018, ArtHouseFilmWire grabbed our slide rule and protractor, performed numerous calculations and perhaps flipped a coin to proudly reveal our Top 20 Films of 2018. (By the way, which film just missed the list? #21 is “Capernaum”, the dizzying and draining Lebanese drama from Nadine Labaki.) 20 – “Can You Ever Forgive Me?” – Melissa McCarthy steps away from her comedic-comfort zone and commands the screen in a dramatic role about author Lee Israel’s true-life scandal. Unable to pull together a successful book in…