Harvard University professors are suing to block the Trump administration’s review of nearly $9bn in federal contracts and grants awarded to the Ivy League school as part of a crackdown on what the White House says is antisemitism on college campuses. The Harvard faculty chapter of the American Association of University Professors and the national arm of the academic organization said in a lawsuit filed on Friday in a Boston federal court that the administration was trying to unlawfully undermine academic freedom and free speech on the school’s campus. “Threats like these are an existential ‘gun to the head’ for...