“The most troubling transaction: a $465 million loan to California’s Tesla Motors. Tesla received a loan rate of 1.6% from DOE to manufacture an all-electric car that will sell for nearly $50,000. It will not exactly be the people’s car. Tesla also builds luxury sports cars that retail for $103,000 to $128,000. Tesla also is no simple new age car company. It is owned and financed by big donors to the Democratic Party and to Barack Obama’s 2008 presidential campaign. Tesla’s principal owner is Elon Musk, the founder of PayPal. He has an estimated personal wealth of $672 million. His...