iam in i am in stroud, where it is snowing. it may not be real but it is probably as close as many of us will get to a white christmas. a cloudy and damp day, murky in the west, rain crossing the north of the country. tonight and tomorrow the wind becomes a feature. details later. good morning. it s wednesday, the 20th of december. junior doctors in england are about to start a three day strike in a dispute over pay. they ll walk out from seven o clock this morning, after five weeks of negotiations failed to reach an agreement. this time of year is traditionally one of the nhs s most busy periods. our health correspondent sharon barbour has the details. hospitals across england, already struggling with the pressures that winter brings, are bracing themselves, as tens of thousands ofjunior doctors walk out for three days. whose nhs? our nhs! dr greenhaus, a surgical registrar. he s already qualified to undertake major knee and hip surgery. every time that i go and see a patien