An enhanced wine tasting and a new official Italian sausage are among the food changes at Festa Italiana this weekend. The Vino Italiano Wine Tasting Experience will feature three tents along the lake walkway at Henry Maier Festival Park (also known as the Summerfest grounds) focused on the Veneto, Tuscany and Sicily regions of Italy. Festa has partnered with three wine distributors: Purple Feet Wines LLC, L'Eft Bank Wine Co. and The Winebrow Group. Attendees can buy flight samplings, wine by…