Disney’s “Tron: Ares” will light up the top of the box office in its debut, though the sci-fi entry is coming in dimmer than its projections. Meanwhile, the Channing Tatum caper “Roofman” looks headed for a second place bow. The “Tron” threequel earned $14.3 million across Friday and previews from 4,000 venues (that includes early […]