It is unusual for Volodymyr Zelensky to be quiet — whether in his former life as a comedian and actor or now as President of Ukraine. However, the Ukrainian leader has been abnormally close-mouthed of late, notably reticent to go into detail regarding the “victory plan” he intends to present to US President Joe Biden and American officials this week. Ukrainian sources have let on that the plan should “create such conditions and such an atmosphere that Russia will no...