A California man has been charged with taking illegal kickbacks to act as a plaintiff in dozens of corporate class-action lawsuits filed by Milberg Weiss, a move that brings a three-year federal probe to the door of one of the leading U.S. securities law firms. The indictment handed down by a federal grand jury in Los Angeles on Thursday comes as prosecutors try to make a case that Milberg Weiss improperly paid plaintiffs to file lawsuits against publicly traded companies. A spokeswoman for the law firm said on Friday that Milberg Weiss had been subpoenaed in connection with the investigation...