…Villaraigosa talked about working in private equity, and returning to run again for office not too long in the future—very possibly for governor. He would not say when that might be, but did not rule out running a primary against Jerry Brown, the Democratic incumbent with whom Mr. Villaraigosa has had an at-times frosty relationship. But for the time being, the mayor of Los Angeles, who was the chairman of President Obama’s Democratic convention…seems a bit at sea as he confronts his nonelected future.