As both Donald Trump and Kamala Harris seek to shore up support from voters with less than a month to go in a razor-thin presidential race, the former president is now reaching out to a sometimes forgotten demographic: U.S. citizens living abroad. In a new effort to court voters, Trump said Wednesday he supports a plan to lower the tax burden on U.S. citizens living abroad. The U.S. is the sole major country that has an unusual rule of taxing its citizens on their total income regardless of where they earned it and where they live, according to the Wall Street Journal. “I support ending the do…