Even though former President Donald Trump has plenty to occupy his mind — such as his bid for the presidency or the three prosecutors attempting to put him behind bars for the rest of his life — Trump seemingly can’t keep his mind off of Taylor Swift’s stardom. According to a recent report in Rolling Stone, the 45th president of the United States has become slowly more consumed with the fact that the pop star could endorse President Joe Biden ahead of the November election. “A source close to Trump” told the outlet that behind closed doors, the 45th president of the United States complains tha…