US-Cuba trade links edge closer

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Trade links between the US and Cuba edge a little closer as presidents Barack Obama and Raul Castro prepare to meet on the sidleines of the Summit of the Americas. Businesses in both countries are already gearing up for what they hope will be the eventual easing of economic sanctions. We ask one of Latin America's wealthiest businessmen what investment opportunities he thinks will emerge. And we ask one of the founders of the summit what else will be on the agenda. One in five African American homes in the US has no access to a bank account, so why are banks serving those communities shutting up shop? Plus, we venture up the world's tallest building - the Burj Khalifa in Dubai - and ask its creator, Mohamed Alabbar, whether the emirates' property boom is about to turn to bust.