09.25.15 by msedblog DESOTO TIMES: Callen defends campaign against incumbents By Bob Bakken The man behind the Empower Mississippi support of legislative challengers to long-time DeSoto County legislators defeated in the August primary election held firm behind the organization’s methods during a presentation to the Rotary Club of Olive Branch Tuesday. Many of its mailings that backed the challengers in the election were labeled as negative advertising, an opinion raised during the question-and-answer session following Grant Callen’s talk to the Rotary Club. Share this:EmailPrintFacebookLinkedInRedditTwitterGoogleTumblrPinterestPocket