Donald Trump once claimed he was the "most popular person" in upstate New York. After witnessing the impassioned supporters at a rally in Rochester, N.Y. over the weekend, he may have a point. Over 2,000 people turned up to his speech Sunday, even though temperatures were “frigid.” If you scroll through the event’s pictures, you’ll also find an ardent fan dressed as a “Trump Wall.” Trump used some of his time at the podium to criticize the election primary process that has so far denied him the delegates needed to secure the Republican nomination. It’s “crooked shenanigans,” he insisted. His supporters agreed. A few sounded off...