BEIT SAHOUR, Palestine—An American woman who was beaten up by an Israeli security guard when she tried to stop his assault on her son said Friday that she hopes to sue the Israeli government when she returns home to the U.S. next month. Five days after the attack at an Israeli “border crossing” in Occupied Palestine, Tina Hannouneh moves slowly and carefully, the effects of what she called “a brutal thing” still clearly visible on her face.