‘IT’S CHILLING’ Days before his alleged attack on the writer, Hadi Matar wrote a late-night email to his New Jersey gym. Three days before Hadi Matar allegedly rushed the stage at a literary event to brutally attack British-Indian author Salman Rushdie, the 24-year-old wrote a late-night email to his New Jersey gym to cancel his membership. “Hey this is Hadi,” Matar wrote in an Aug. 9 email to the State of Fitness Boxing Club at 1:31 a.m. “I was going tk [sic] ask if you guys can disable autopay for me right now. As I won’t be able to make...