John Nacion/Getty ImagesA New York University student who was suspended for tearing down pro-Israel posters on campus is suing the school for allegedly unfairly sanctioning her, according to a complaint filed April 5 by the student’s lawyer.The complaint alleges that NYU’s punishment of Hafiza Khalique was “arbitrary and capricious and not in accordance with the NYU Student Code,” and that some of the sanctions Khalique received were “excessive” in relation to her actions. Jonathan Wallace, Khal