US Secretary of Agriculture Tom Vilsack to Speak at University of Arkansas Tuesday by Arkansas Business Staff Posted 4/22/2013 10:29 am Updated 2 years ago U.S. Secretary of Agriculture Tom Vilsack will be the featured speaker at the University of Arkansas on Tuesday. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 20 days. Purchase Now Already have archive access? Login to view this article.