A newly sworn-in North Carolina congressman is pleading with constituents to contact him after his predecessor, scandal-scarred Madison Cawthorn, failed to turn over their case files when he vacated his office last November. GOP Rep. Chuck Edwards’ office sent a letter telling voters in his rural western North Carolina district to reach out if they have outstanding or unfinished casework — and adding he doesn’t know where Cawthorn disappeared to. The letter said Cawthorn, who abandoned his Capitol Hill and district offices two months before his term ended, “did not transfer official constituent casework, which is standard practice for any...