Which of Baltimore's neighborhoods are growing and which are shrinking? How do commute times vary across the city? A new report by the Baltimore Neighborhood Indicators Alliance captures thousands of data points on everything from education and workforce development to transportation and the arts. Seema Iyer, associate director of the Jacob France Institute at the University of Baltimore, tells us what we can learn from this statistical portrait of city life. But first, we hear about a block party that aims to unite some of those neighborhoods across lines of race and class in Central West Baltimore.