Author of the best-selling novel-turned Hollywood movie “Dangerous Minds” spoke Tuesday to kick off a three-day conference focused on teaching at-risk students.LouAnne Johnson, a former U.S. Navy journalist, Marine Corps officer and high school teacher, was the opening keynote speaker for the seventh annual Alternative Strategies for Educating Students At-Risk at Perkins Building on Eastern Kentucky University’s campus.The conference, which also features numerous educational workshops, is presented by Kentucky Educational Collaborative for State Agency Children (KECSAC). ...