The close friendship between the US and Russian presidents dates back more than a decade, and was cemented during Donald Trump's first term in office. However, it's recently shown signs of strain, with Trump growing frustrated over Putin's reluctance to sign a ceasefire deal with Kyiv. Chapters: 0:00 Relations sour between Trump and Putin 3:08 Catherine Belton, Russia analyst 8:22 Boris Vormann, Political scientist, Bard College Berlin For more news go to: http://www.dw.com/en/ Follow DW on

Tag-uri: Donald Trump