Former U.S. Speaker of the House Dennis Hastert speaks at St. Xavier University in Chicago Wednesday, March 21, 2012. | Brett Roseman~Sun-Times Media There were jabs at Newt Gingrich, kudos for Mitt Romney, connections between driving a school bus and serving as speaker of the U.S. House and opinions on the wars in the Middle East. Denny Hastert, who went from teacher and wrestling coach at Yorkville High School to become the longest-serving Republican House Speaker ever, shared thoughts as wide-ranging as his background last week in a speech at St. Xavier University in Chicago. Hastert, who was raised...