Paranoid Russian President Vladimir Putin isn’t hiding his deep fear of an assassination attempt. During a recent re-election campaign event in Moscow, Putin, 71, had a bodyguard standing close by on stage, ready to jump into action and deploy a bulletproof shield as the despot spoke to a crowd of 550 of “trusted” supporters, RadarOnline.com has learned. As tensions in Russia continue to rise amid the ongoing war in Ukraine, he is allegedly taking no chancesof a possible assassinationattempt— even in the presence of his friends and supporters. A source for the Telegram channel VChK-OGPU detail…