Following Donald Trump’s suggestion, Fox News proposed hosting a debate between the former president and Vice President Kamala Harris in September. After Harris became the de facto Democratic presidential nominee, Trump hinted he would back out of a pre-planned debate on ABC News. In a Truth Social post, Trump said the debate should be moved to Fox News. “Now that Vice President Kamala Harris is the presumptive Democratic nominee, FOX News Media is amending our proposal for a debate this cycle,” the network wrote in a letter to both campaigns on Wednesday. “We propose to host the debate in the…