Why has President Trump changed his mind about President Putin? | BBC Newscast

简介：

Recorded live at Hay Festival, Adam Fleming and Alex Forsyth look at whether US President Donald Trump has changed his mind about Russian President Putin. Newscast also considers if the UK government's change of policy on its winter fuel allowance counts as a U‑turn. They are joined by Anne Applebaum, journalist, historian and author of Autocracy Inc, Professor Sir David Spiegelhalter, statistician and author of The Art of Uncertainty, and comedian and broadcaster Marcus Brigstocke.