TEL AVIV, ISRAEL – OCTOBER 31: Former US president Bill Clinton speaks during a rally to commemorate the 20th anniversary of the assassination of the late Israeli prime minister Yitzhak Rabin in Rabin’s square on October 31, 2015 in Tel Aviv, Israel. Yitzhak Rabin was assassinated on November 4, 1995 by an Israeli extremist during a pro-peace rally in Tel Aviv. (Photo by Lior Mizrahi/Getty Images)