What Donald Trump and Bernie Sanders get wrong about credit cards

Democrats spent much of the presidential-election campaign calling Donald Trump a fascist. Mr Trump is hardly known for his conciliatory nature. So few American politicos expect there to be much bipartisanship in his second term. Yet in one place there is already a flicker of cross-aisle agreement: a proposal to cap interest rates on credit-card repayments at 10% has won the support of both Mr Trump and Bernie Sanders, perhaps the most prominent left-wing Democrat.