Former Speaker of Ukraine's Verkhovna Rada Alexander Moroz, former Ukrainian presidents Viktor Yushchenko, Leonid Kuchma and Leonid Kravchyuk, wide of Ukraine's President Marina Poroshenko, Head of Ukraine's Presidential Executive Office Boris Lozhkin, his First Deputy and Presidential Representative in the Government Vasily Kovalchyuk (from right to left) at the meeting on the 20th anniversary of the Ukrainian Constitution in the Verkhovna Rada.