Sure, the image is a little trite: Dad in his battleworn apron, presiding over the Weber. But since Sunday is both Father’s Day and the first day of summer, we’re going to lean into the stereotype and devote this column to grilling. Grillable veggies like summer squash, spring onions, and mushrooms are plentiful at farmers tailgate markets right now, in addition to a wide assortment of steaks, sausages, chops, and birds.