Been left with something unexpected to chew over. let's stay with british politics, as labour has called for the conservative party chair nadhim zahawi to be sacked following reports in the guardian — unverified by the bbc — that he has paid a penalty to the tax authorities as part of a settlement related to his tax affairs. leila nathoo has been explaining mr zahawi's background. he was a successful businessman before he went into politics. he was one of the co—founders of the polling company yougov, and the questions center on whether mr zahawi tried to avoid paying tax by using an off...