"Late last month, appeal court justices in San Francisco did something unusual: They mailed out a letter asking lawyers in a massive vitamin price-fixing class action to explain a few things. Why, the 1st District Court of Appeal wanted to know, are so many law firms involved? How did the number of coordinated cases grow by 12 in one six-month period? How many out-of-state law firms are involved? Which of the defendants previously entered guilty or no contest pleas to criminal charges?" Read about the unusual request here.