Valentyn Nalyvaichenko KYIV – Ukraine’s Parliament voted on June 18 to approve President Petro Poroshenko’s request to dismiss Valentyn Nalyvaichenko as head of the Security Service of Ukraine (SBU), the country’s leading national security body. While the president argued that Mr. Nalyvaichenko had failed to fulfill his responsibilities, Mr. Poroshenko’s critics argued that the dismissal...