Volodymyr Zelensky
Petro Poroshenko
Hassan Rouhani
Abdel Fattah el-Sisi
Donald Trump and Vladimir Putin
Bashar al-Assad and Donald Trump
Vladimir Putin
Xi Jinping
Uhuru Kenyatta
Bashar al-Assad
Angela Merkel
Yoweri Museveni
Ashraf Ghani
Petro Poroshenko and Vladimir Putin