FILE - The statue of Alma Mater on the campus of Columbia University in New York, Oct. 10, 2007. Four months after a contentious congressional hearing led to the resignations of two Ivy League presidents, Columbia Universitys president is set to appear before the same committee over questions of antisemitism and the schools response to escalating conflicts on campus. Nemat Shafik, Columbias president, was originally asked to testify at the House Education and Workforce Committees hearing in December, but she declined, citing scheduling conflicts. (AP Photo/Diane Bondareff, File) Four months after a contentious congressional hearing led to the resignations of...