Zucchini and Summer Squash Ribbons with Lemon Vinaigrette

I don't know about you, but I spend an embarrassing amount of time in February and March yearning for fresh tomatoes, corn, peaches, chard, lettuce, and summer squash. By late winter, I am sick of butternut squash, root vegetables, and braising, and I'm ready for the miraculous abundance that summer brings. But it's almost comical...