lord frost's resignation is without doubt another blow to boris johnson, delivered right at the time the prime minister is at its weakest since coming to office. a one—time diplomat, david frost was brought in just days after borisjohnson became prime minister to negotiate a brexit deal. he helped mistjohnson when the backing of hardline brexit supporters in this party, advocating tough approach to brussels. the gap between us is _ tough approach to brussels. the gap between us is still _ tough approach to brussels. the gap between us is still quite _ between us is still quite significant.— between us is still quite significant. between us is still quite siunificant. , . , significant. here securing mist johnson's brexit _ significant. here securing mist johnson's brexit and _ significant. here securing mist johnson's brexit and his - significant. here securing mist johnson's brexit and his win i significant. here securing mist johnson's brexit and his win at significant. here securing mist - johnson's brexit and his win at the general election. in turn, the prime minister made him a lord and elevated him to the cabinet. at that table he has been arguing loudly against decisions. he was opposed to the recent re— imposition of covert restrictions and also to increasing national insurance to pay for social care. in his resignation letter to borisjohnson, he wrote: adding, he