Northwest residents have a few chances to get it poppin’ this summer, and it’s thanks to a little bit of brew and bubbly — for a limited time only. Between this month and September, Northwest residents will have a few opportunities to experience the unique, nomadic Parks on Tap experience, transforming Philly parks into a beer garden for families to gather, enjoy, and socialize. This year, five Northwest Philly parks & sites have been chosen to …