EVANSTON – A shy student moved his hand in an upward motion—while his elbow bent almost to the point where it was even with his hand—in an apparent effort to answer a question. As the 357 political science teacher started to make eye contact with the student at 3:45 p.m., the shy guy quickly lowered his hand. “I really thought he was going to do it,” said classmate Laura Berg. “I wonder what his voice sounds like.” The student, whose