Ukraine’s top prosecutor will head to Austria this week to gather more information from doctors who treated President Viktor Yushchenko for dioxin poisoning, his spokesman said Monday. Prosecutor General Svyatoslav Piskun was expected to meet with doctors at Vienna’s private Rudolfinerhaus clinic as part of the ongoing criminal investigation into Yushchenko’s nearly lethal poisoning last year, said Vyacheslav Astapov, a spokesman for Piskun. Full Story