The television licence enforcers were nothing if not persistent. For five years they pursued 69-year-old Hannah Patricia Humphris with a succession of intimidating missives demanding she buy a licence. The pursuit culminated with a letter this month threatening her with prosecution and a possible £1,000 fine. But the TV licensing police had overlooked one crucial fact: Miss Humphris hasn't owned a television since 1978. Hannah Patricia Humphris doesn't own a television, but is still being pursued by the TV Licencing AuthorityShe got rid of her set that year because it wasn't working properly and, she said, there...