“Steve King is a black mark on the Republican Party,” insisted Neil Strauss, the communications director for a group calling itself the “Republican Jewish Coalition (RJC).” Strauss continued, “He has supported white supremacist candidates and has even told the New York Times that he thinks white nationalism and white supremacy are inoffensive.” The RJC is pushing an off-the-shelf Iowa state senator named Randy Feenstra in the June 2 Republican primary for Iowa’s 4th Congressional District…