I’m all about celebrating special occasions—from the smallest moments to major milestones—so I couldn’t wait to celebrate National Pinot Grigio Day on May 17. In anticipation of the holiday, I put together a glam picnic “how-to” with Mezzacorona Pinot Grigio as the centerpiece.   Mezzacorona has been crafting Estate Grown wines since 1904. Located at…