Bistro Dinner Salad

Ingredients:3 tablespoons finely chopped walnuts4 large eggsCooking spray2 bacon slices (uncooked)8 cups gourmet salad greens1/4 cup (1 ounce) crumbled blue cheese1 Bartlett pear, cored and thinly sliced1 tablespoon white wine vinegar1 tablespoon extravirgin olive oil1/2 teaspoon dried tarragon1/2 teaspoon Dijon mustard4 (1-inch-thick) slices French bread baguette, toasted