This is probably a coincidence but it seems that the most progressive American cities were the ones to see deceleration in economic indicators putting them into the negative growth category. Its probably also a coincidence that economically liberalized cities like Dallas saw accelerated growth. Click the text image below to go to the Federal Reserve Report.
Those cities experiencing downward ticks will remain stagnant for the foreseeable future. Once indicators across the board are mostly positive these cities will tag along. A rising bar tab undresses all chicks.