EDITORIAL Congressman Emerging As Moderate, Balanced If anyone was looking for a bomb-thrower – Urban Dictionary: “A colloquial term used to describe people who stir up trouble” – Antonio Delgado isn’t he. That had to be the conclusion of any objective ear at his Feb. 18 “Town Hall” in Cooperstown Village Hall, where one speaker, opining President Trump is “mentally ill,” asked the freshman congressman if he would vote for impeachment. The reply was perfectly circumspect: “I’m going to do…