Oh, the trials and tribulations of multinationals with deep pockets. Another lawsuit has been filed in federal court against Procter & Gamble Co.’s Old Spice deodorant, which several plaintiffs claim caused rashes or other irritation. The suit filed in New York on behalf of four people who live in that state, Pennsylvania or Illinois seeks to be designated as a class action against the Cincinnati-based maker of consumer goods (NYSE: PG), claiming that more than 100 people have been affected...