As I stood in the ­middle of the mall, I noticed two young guys in their early teens talking to one another and glancing at me. Before I knew it, one of the boys broke away and lunged straight at me with a knife in his hand. A day that began as a fun adventure took a dark turn. ­ That morning I set off with my daughter on a road trip to look at colleges before her senior year of high school. Our first stop that day was Youngstown State University. She enjoyed the tour of the