LONDON (AP) — Ever since he was ousted as the head of Ukraine’s army in 2024 and appointed as the country’s ambassador to Britain, Valerii Zaluzhnyi has widely been seen as the top political rival to President Volodymyr Zelenskyy. Zaluzhnyi, 52, refuses to discuss his political ambitions, saying he doesn’t want to risk harming national unity during a war with Russia that is approaching its fourth anniversary. Yet in a sign of his possible desire to run for the presidency – after the war is over