Sources in the Ukrainian intelligence and security community said Dec. 12 it was unlikely that opposition leader Viktor Yushchenko was poisoned by his political opponents. The sources say that if Yushchenko's opponents had decided to poison him, they could have used much deadlier and non-recognizable poisons, which are easily available for secret services in several countries in the world. The sources say that Yushchenko's political opponents easily could have tasked specialized professionals to execute the poisoning in such a way that it would have left no proof of deliberate poisoning. 1845 GMT - Tepttu Vartiainen, the leading scientist from a...