BERLIN — A new video snapped by a potato farmer appears to confirm that Algeria is the first country to have received the fifth-generation Su-57 stealth fighter jet from Russia. The online video shows the distinctive silhouette of Russia’s most modern fighter jet against a blue sky over a landscape with spread-out hills consistent with northern Algeria. It appears to have originated from the Arabic-language TikTok user doz.kbran , whose public profile also features Algerian soccer clips and