David Cameron takes the first steps of his grand European tour during the last week of May as he embarks on a charm offensive to woo support from fellow European leaders for his EU renegotiation campaign.
His opening port of call will be Copenhagen, on 28 May. The prime minister will hope for a sympathetic hearing from Denmark, which, like the UK, has several opt-outs from key policy areas and a strong streak of Euroscepticism. A few hours later, he…