Elizabeth Magill has resigned as president of the University of Pennsylvania, days after her testimony at a Congressional hearing on campus antisemitism drew a widespread rebuke and focused international attention on the failings of America’s most elite universities. Magill offered her resignation on Saturday, a day before the university’s board was to convene for an emergency meeting to discuss her position. She will remain a faculty member at Penn Carey Law, the university’s law school, and continue as interim president until a replacement is announced. Her resignation was followed by…