Former U.S. Secretary of State Colin Powell will deliver a speech in Louisville this week.Powell will deliver an address to the World Affairs Council of Kentucky and Southern Indiana Thursday evening. Council Executive Director Ben Jones says the topic is Diplomacy: Persuasion, Trust and Values."I think he’s going to talk about the importance of working with allies. I think he’s going to talk about the importance of trying to achieve consensus in the international community on how to deal with problems. And about the limits as well as the potential of American power," Jones said.Powell’s address will be at the Kentucky International Convention Center. It’s part of the World Affairs Council’s Global Issues Forum.