carole bradley taking over as northern ireland secretary, facing an immediate challenge.t's a year since sinn fein's martin mcguinness resigned as deputy first minister, bringing down the power sharing executive at stormont. he died two months later, and there's been no progress in attempts to restore power sharing. here's our northern ireland political editor mark devenport — his report contains flashing images. hospitals across the uk are struggling to cope with the pressures of winter, but patients in northern ireland face some of the longest waits for emergency treatment. meanwhile, without government ministers, a blueprint for reorganising the local health service can't be put into practise. there's no doubt that the nhs across the uk is challenged, but i think what makes northern ireland different and what nurses say is different is that they feel they have been let down by the leadership in the system, and secondly by the fact there is no political leadership in the country. the stalemate at stormont goes back a year, to when sinn fein's martin mcguinness quit as d