 In 2007 , the congregation began some joint programming with Anshe Sefard , New Orleans ' only other remaining Orthodox synagogue , and in the summer hired Uri Topolosky as its new rabbi . A graduate of Yeshivat Chovevei Torah , Topolosky had previously served as the associate rabbi of the Hebrew Institute of Riverdale , and had been one of 21 rabbis arrested at the United Nations during an April 2007 sit @-@ in demanding that Iran be expelled from the U.N. 
