Donald Trump said he has a detailed deal with Fox News to debate his Democratic opponent on Sept. 4, but Vice President Kamala Harris said Saturday that she’s agreed to no such appearance. Per Reuters, Trump posted on Truth Social, “I have agreed with FoxNews to debate Kamala Harris on Wednesday, September 4th,” Trump wrote. He noted that the rules of this supposed matchup would hew closely to the ones put in place for his previous debate with President Biden on CNN in late June, except this time with a “full arena audience.” Fox News put a story up that doesn’t dispute the details in Trump’s …