How did a failing California solar company, buffeted by short sellers and shareholder lawsuits, receive a $1.2 billion federal loan guarantee for a photovoltaic electricity ranch project—three weeks after it announced it was building new manufacturing plant in Mexicali, Mexico, to build the panels for the project. The company, SunPower (SPWR-NASDAQ), now carries $820 million in debt, an amount $20 million greater than its market capitalization. If SunPower was a bank, the feds would shut it down. Instead, it received a lifeline twice the size of the money sent down the Solyndra drain. Two men with insight into the process...