Associated Press: A BP shareholder has filed suit against the corporation’s top executives because of the offshore rig disaster that has led to the growing oil leak in the Gulf of Mexico. Filed in federal court in New Orleans on Friday, the lawsuit by Pennsylvania resident Katherine Firpo accuses Anthony B. Hayward, the chief executive officer of BP PLC, and other executives of the London-based corporation, of ignoring safety issues on rigs such as the Deepwater Horizon, which exploded on April …