In a nation fighting for its sovereignty on the battlefield and its future at the European table, Ukraine's chief prosecutor Ruslan Kravchenko resigned Monday after anti-corruption investigators uncovered a money-laundering scheme operating from within his own office — one that allegedly shielded criminal call centres and funnelled millions through property and jewellery. Kravchenko denied all wrongdoing, but his departure joins a growing catalogue of high-level scandals that raise a question older than any single official: whether a state can reform itself while simultaneously fighting for it