The former NATO Secretary-General and ex-UK Defense Minister George Robertson has called for an increase in support for Ukraine and the ramping up of arms and ammunition production, according to his interview with Sky News. Commenting on the security guarantees agreement between Ukraine and the United Kingdom, Robertson emphasized that UK Prime Minister Rishi Sunak should take substantial, long-term commitments toward Kyiv in the face of Russia’s aggression. “[We must] keep Ukraine at the top of the agenda because they’re fighting for us out there. What I want is a multiyear commitment, the on…