Leaders of major Jewish organizations on Wednesday accused U.N. Secretary-General Ban Ki-moon of being one-sided in his handling of the crisis in Gaza. A delegation of 11 Jewish organizations met with the U.N. chief to express their concerns, presenting a letter that listed what they said were 19 violations of international law by Hamas that have gone ignored, said Rabbi Marvin Hier, founder and dean of the Simon Wiesenthal Center, a Jewish human rights group with an office in New York. Chief among their demands was a need for the U.N. to investigate rocket attacks by Hamas, which controls the...