Karen Harbert to Speak on Energy at Little Rock Luncheon by Lee Hogan Posted 2/19/2014 09:59 am Updated 2 years ago Karen Harbert, the president and CEO of the U.S. Chamber Institute for 21st Century Energy, is scheduled to speak at a downtown Little Rock luncheon Feb. 25. 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.