Munich Security Conference Chairman Christoph Heusgen says his experience of Putin is someone who can smell weakness, and is likely pleased with the flavour of the current talks over Ukraine's future, though President Trump could still change tack. Heusgen spoke in an interview with Bloomberg's Oliver Crook in Munich. -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://