for instance, hugh johnston with 15 tweets in his life is vice president of pepsi. but just as you might expect mr. johnston to drink pepsi, not coke, you'd expect him to use twitter, too. >>> shares of san francisco's lending club are trading for less than a grande latte. lending club, seen here in better days, saw the stock fall another 11% this morning, afterward, the company received a subpoena from the justice department. worse, it will have to start funding its own loans. the whole company's business model lending out other people's money. they might lose access to that money for a lender, kris, that is a disaster. >>> to a different kind of disaster, investigative unit exclusive. firefighting chemicals in our water. the environmental protection agency and u.s. military finding toxins from chemical foams that firefighters use during plane crash landings in water. san francisco and san jose firefighters use environmentally friendly foam but for decades toxic foam used at airports, oil refineries and military bases across the country. epa asked public water syste