The tools and tactics of political campaigns have undergone many changes in the past 60 years. With the advent of the Internet and social media, candidates have found new ways to battle for the hearts and minds of voters. Lou Heldman, a communications strategist at Wichita State University and former publisher of The Wichita Eagle and Kansas.com, is among those observing the impact of social media on political campaigns. Go to http://www.wichita.edu/newslinepodcast.