By: Jennifer Gill -- If there’s one thing in business that’s inevitable, it’s squabbles between co-workers. Put a group of people together in a high-pressured office for 40-plus hours a week and hostility about missing food in the fridge and loud telephone conversations is bound to flare up. Usually such minor disagreements blow over quickly with little or no intervention by the boss. But sometimes, they can spiral out of control, poisoning the whole office or, in an extreme case, prompting a lawsuit.