@CNN: A Kremlin-linked troll is once again demonstrating how difficult it is for Twitter to police its own platform https://t.co/KZggiiWnVy https://t.co/wgYs62MXJh

@CNN: A Kremlin-linked troll is once again demonstrating how difficult it is for Twitter to police its own platform https://t.co/KZggiiWnVy https://t.co/wgYs62MXJh