Open this photo in gallery: New York Police officers arrest a demonstrator from the group, Jewish Voice for Peace, who protested inside Trump Tower in support of Columbia graduate student Mahmoud Khalil, on March 13, in New York.Yuki Iwamura/The Associated Press Demonstrators from a Jewish group filled the lobby of Trump Tower on Thursday to denounce the immigration arrest of Mahmoud Khalil, a pro-Palestinian activist who helped lead protests against Israel at Columbia University. The demonstrators from Jewish Voice for Peace wore red shirts reading “Jews say stop arming Israel” and held up banners as they chanted “Bring Mahmoud home...