Rivers run dry across the continent. As scientists warned, the drought could potentially become the worst in 500 years. And a tense way for the results of kenyas president ial vote. If neither of the 2 contenders emerges as the clear winner, therell be a ronald for the 1st time. Ah, im rebecca missus. Welcome to the program. The head of the u. S. Nuclear watchdog has warned of a grave crisis unfolding at the separation Nuclear Power plant and ukraine. He was addressing an emergency session of the un security council. As moscow and cave tried accusations of new shelling near the nuclear facility. As fighting in the area continues the u. S is back in calls for a demilitarized safe zone around the plants. Ukraine says that russia has turned the site into a military base for launching attacks. On dr. Alex rosen is with the International Physicians for the prevention of nuclear war. Earlier i asked him just how concerned we should be about the shelling at the separation nuclear plant. Im af