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The fractious meeting at the G7 summit in Canada, where US President Donald Trump lashed out over trade, has highlighted the increasing strain in the relationship between economics and politics.

A new populist politics in the US and Europe has led to policies that have perplexed many mainstream economists, but should the economists being doing more to win over voters and politicians? Alan Blinder, professor of economics at Princeton University and former adviser to President Clinton, certainly thinks so - he says the profession needs to be more savvy.

Plus, Gideon Rachman from the Financial Times tells us how the fractious relationship is playing out in Europe.

(Picture: German Chancellor Angela Merkel speaks to US President Donald Trump at the G7 meeting in Quebec. Credit: Jesco Denzel, via Reuters)