For someone who’s running a company that’s intertwined with the financial industry, Dan Doctoroff doesn’t seem all that concerned about the economy… Yesterday Mr. Doctoroff, the former deputy mayor and current president of Bloomberg LP, gave a speech at the Citizens Housing and Planning Council luncheon in which he painted a highly optimistic picture of the city’s—and the financial sector’s—future, saying New York would emerge stronger than ever before. (He called himself the “last optimist.”)