Trump says Putin could bring about Russia's downfall - here's what experts say

For Emily Ferris, senior research fellow in the Russian and Eurasian security programme at the London-based think tank the Royal United Services Institute, the suggestion that Putin was risking Russia’s demise was “overplayed”. “I think Trump likes to say these quite sensationalist statements because it suggests that he is maybe more in control of the situation than he actually is,” she said.