JTA — The Heritage Foundation’s marquee effort to combat antisemitism, a coalition known as Project Esther, is rapidly losing members following the conservative think tank’s public defense of Tucker Carlson after he gave a friendly interview to the white nationalist and antisemitic provocateur Nick Fuentes. At least eight individuals and organizations affiliated with Heritage’s National Task Force to Combat Antisemitism, launched last year under the Project Esther banner, have resigned or threatened to do so, citing Heritage president Kevin Roberts’s decision to stand by Carlson and his description of the television personality’s critics as a “venomous coalition.” The defections suggest...