D.C. Chief Financial Officer Natwar Gandhi imagines himself invincible. Why else would he court another multimillion-dollar lottery scandal — even as U.S. Attorney Ronald Machen investigates the 2008 and 2009 contracting processes?

The latest mess, which has been percolating for months, could explode this week: D.C. Council Chairman Phil Mendelson told me he only learned about the problem on Friday. He intends to meet with Gandhi “early next week. I am concerned the procurement is handled correctly.”