There’s bad blood between them. Former President Donald Trump lashed out at pop star Taylor Swift Sunday, declaring his disdain — days after she endorsed Vice President Kamala Harris. “I HATE TAYLOR SWIFT!” Trump, 78, wrote on Truth Social in all caps, without elaborating further. Swift, 34, posted her endorsement of Harris just after the high-stakes ABC News debate between Trump and Harris last Tuesday. She previously backed President Biden in the 2020 election. “I’m voting for @kamalaharris because she fights for the rights and causes I believe need a warrior to champion them,” the billionaire singer wrote on Instagram...