In Jerusalem, Trump solemnly remembers Holocaust victims

President Donald Trump solemnly paid tribute Tuesday to the 6 million Jews killed during the Holocaust, calling on the world to never forget "history's darkest hour."On a visit to the Holocaust memorial Yad Vashem, the president and first lady Melania Trump laid a wreath on a stone slab under which ashes from some of those killed in concentration camps are buried. They were joined by Israeli Prime Minister Benjamin Netanyahu and his wife, Sara, as well as daughter Ivanka Trump and son-in-law Jar