STOCKHOLM (Reuters) - Scandinavian airline SAS said on Tuesday it could reduce its workforce by up to 5,000 full-time positions due to plunging demand and travel restrictions during the coronavirus outbreak.Airlines worldwide are cutting flights and costs due to the pandemic, and SAS said in a statement it expected limited activity during the key summer season.The company said last month that it would temporarily lay off up to 10,000 employees, or 90% of the airline's total workforce, as the..