Pita Stuffed with Tabbouleh and Shards of Feta

Name: Pita Stuffed with Tabbouleh and Shards of Feta
Ingredients: 1 cup bulgur wheat; 1 1/2 cups boiling water; 1/4 cup freshly squeezed lemon juice (2 lemons); 1/4 cup good olive oil; Kosher salt; 1 cup minced scallions, white and green parts (1 bunch); 1 cup chopped fresh mint leaves (1 bunch); 1 cup chopped flat-leaf parsley (1 bunch); 1 hothouse cucumber, unpeeled, seeded, and medium-diced; 2 cups cherry tomatoes, cut in half; 1 teaspoon freshly ground black pepper; 3/4 pound feta cheese; 4 pita breads, cut in half