ISTANBUL   The French presidency responded late Sunday to what it called a coordinated disinformation campaign involving a viral video that sparked claims that President Emmanuel Macron hid a cocaine pouch while traveling by train to Ukraine. "When European unity becomes inconvenient, disinformation goes so far as to make a simple tissue look like drugs," the Elysee said on X, denouncing the allegations. The post referred to a short clip posted to social media showing Macron along with German