(Adds dropped word in third paragraph) By Tyler Clifford (Reuters) -Mark Meadows, who served as former Republican President Donald Trump’s chief of staff and has echoed his false claims of widespread voter fraud in the 2020 election, is being investigated in North Carolina over his voter registration, state authorities said on Thursday. North Carolina’s State Bureau of Investigation was assigned to lead the probe after a district attorney referred the matter to the state Department of Justice Special Prosecutions Section, department spokeswoman Nazneen Ahmed said in an email. The investigation…