Has Ukraine’s Zelenskyy created a rival by sacking his defence minister?

Kyiv, Ukraine – At 35, with no military background or battlefield experience, Mykhailo Fedorov seemed unfit to be wartime Ukraine’s defence minister.

But he was acclaimed for his reforms while serving as Ukraine’s minister of digital transformation, and his new duties included logistics, budgets, reforms, anticorruption measures and deals to secure multibillion-dollar Western ai...