dr mitchel wallerstein, thank i very important. all right. dr., thank you very much for your analysis on that. a lot more detail on the nato summit in what was achieved, analysis on the bbc website. let us look towards what is happening in the uk. junior doctors in england will begin a five—day strike this morning in a major escalation of their pay dispute with the government. downing street said the latest walkout by members of the british medical association would put patient safety at risk while the union has urged ministers to follow the example of scotland and produce what it calls a "credible" offer. sophie hutchinson reports. picket lines are now familiar sites outside hospitals in england but the nhs has been bracing itself for today, the start of a marathon on five—day strike byjunior doctors. like strike by junior doctors. like many strike byjunior doctors. like many hospitals at the royal berkshire, they know they will be stretched.— be stretched. our focus is on atient be stretched. our focus is on patient safety _ be stretched. our f