The government’s first crack at second-quarter GDP hits the streets tomorrow. The crowd’s looking for an inflation-adjusted annualized rise of 3.5% in the U.S. economy for April through June, according to The Street.com. If so, that would be slower than the 3.8% posted in the first quarter. What are the chances that the pace of second-quarter economic growth surprises on the upside? Something more than zero, to judge by recent measures of the economy’s pulse.