Consider this your spit-take moment of the day. After overruling Department of Energy auditors and losing $535 million on Solyndra, as well as a number of other green-tech flops, Energy Secretary Stephen Chu gives himself a pretty good grade as a steward of public funds. In fact, after Rep. Paul Broun (R-GA) asks him to assign himself a grade, Chu goes one better than Barack Obama’s one-year self-assessment of a “good, solid B-plus”: