On Wednesday, one day before the Alaska Legislature voted on a multibillion-dollar tax break for the proposed trans-Alaska gas pipeline, Rep. Calvin Schrage, I-Anchorage, gave the pipeline’s lead developer a sneak preview of the bill. For weeks, Schrage had been in charge of negotiating a compromise version of the tax break that could get approval from the state House, Senate and Gov. Mike Dunleavy. He walked Glenfarne Alaska President Adam Pres…