Fidel Castro's health remains uncertain, but US businesses and Cuban exiles are already talking about who will get property appropriated by the Cuban government. It could complicate post-Castro entrepreneurial efforts. Dan Grech explains.
Efforts to safeguard US ports against terrorism have hit a roadblock. Tests of the experimental screening procedures stop workers who pose no threat, which could have a big cost for port businesses. Hillary Wicai reports.
One of Britain's top scientists wants governments around the world to fund a major drive to develop new energy sources. He says urgent international action is needed to fight climate change. Stephen Beard reports.