Vince Callahan Joins National Board of Ducks Unlimited by Lance Turner Posted 11/28/2012 11:32 am Updated 5 years ago Ducks Unlimited elects Vince Callahan of Proctor to be an at-large member of the nonprofit conservation organization's national board of directors. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 15 days. Purchase Now Already have archive access? Login to view this article.