During an interview with CNN’s Kaitlan Collins, Ukrainian president Volodymyr Zelensky slammed ex-president Donald Trump for being “on the side” of Russian despot Vladimir Putin, RadarOnline.com has learned. In an except from the exclusive interview, Zelensky questioned how Trump could support Putin instead of Ukraine. Collins met with Zelensky on location in Kyiv. In a clip from the interview, shared on Monday’s edition of CNN This Morning, the Ukrainian president discussed the critical need for U.S. aid in his country’s fight against Russia. Zelensky told Collins the ex-president will be “ag…