Seven months after taking office as president of Columbia University, Katherine Armstrong announced her resignation. Armstrong took on the role of interim president of Columbia University last August, after the previous president, Minouche Shafik, resigned following allegations of her mishandling of anti-Semitism on campus. The resignation of the interim president comes just days after Armstrong announced that she decided to adopt the Trump administration's demands regarding the fight against anti-Semitism at Columbia University. The American government revoked grants totaling $400 million from the university after Columbia's administration failed to protect Jewish students who suffered from violence, intimidation, and discrimination since...