Secrets of the investigation: Putin could have personally ordered the poisoning of Yushchenko. Why did Ukrainian politicians not want to recognize the fact of poisoning? (Part II)

Collage by Elena Zelenina.

Why is the case of Yushchenko's poisoning still unsolved? Why has the investigation reached a dead end?  Why did Ukrainian politicians not want to recognize the fact that Viktor Yushchenko was poisoned even after several independent expert opinions from the world's best laboratories?