The left’s favourite ‘economist’, Gary Stevenson, is having a shocker. His new Channel 4 documentary, How to Get Filthy Rich With Gary Stevenson, is apparently so dire that even The Guardian has branded it an ‘embarrassment’. The former City trader has fashioned a new career for himself as a whingeing lefty, forever harping on about

The former Citibank trader put his controversial plans to entrepreneurs, tax experts, wealthy estate owners and online finance gurus while filming his new Channel 4 programme 'How…

This evangelising of a wealth tax should have made for a truly amazing documentary. But it allows its host to be totally out-argued by all his interviewees. Why?