Veteran attacks Kerry Chesterfield man is a force behind contentious TV ads questioning Vietnam claims BY TYLER WHITLEY TIMES-DISPATCH STAFF WRITER Aug 15, 2004 Retired Rear Adm. Roy Francis Hoffmann picked up the phone in his Chesterfield County home this year and launched a movement to brand John F. Kerry a liar.... (below is an excerpt form article at the link....) Kerry called Hoffman in May and offered to expunge the negative comments about him when "Tour of Duty" came out in paperback form, Hoffmann said. He refused. Hoffmann joined the Navy in 1943 as an enlisted man, then went...