Syracuse University canceled a “teach-in” lecture by a visiting Middle East studies scholar that was scheduled for Tuesday due to safety concerns. In a message to the Syracuse community, chancellor and president Kent Syverud said the school was “not able to confidently ensure the safety of the attendees, the speaker and our whole campus community,” according to a copy of the letter obtained by NBC News. Rabab Ibrahim Abdulhadi, the founding director of the Arab and Muslim Ethnicities and Diasporas Studies Program at San Francisco State University, had been scheduled to speak, the school said. ...