The electrifying $90.2 million wide opening of “American Sniper” – shattering records for the best January openings by tens of millions of dollars — stunned box office analysts and even distributor Warner Bros. Sunday. “We’ve never seen anything like this,” Dan Fellman, head of domestic distribution at Warner Bros. told TheWrap. The Clint Eastwood-directed Iraq War saga starring Bradley Cooper was on pace to top $100 million over the four-day Martin Luther King holiday weekend, uncharted territory for a movie at this time of year. It was an explosive and historic start for Village Roadshow’s R-rated “American Sniper,” which was...