Citrus Marinated Grilled Salmon with Tabbouleh Salad

Name: Citrus-Marinated Grilled Salmon with Tabbouleh Salad
Ingredients: 1 Cup uncooked bulgar wheat; 1 1/2 Cup boiling water; 2 lemons, juice and zest of; 3 Tablespoons olive oil, divided; 1 1/2 Cup chopped flat-leaf parsley; 1/2 Cup chopped chives; 1/2 Cup finely chopped red onion; 1/4 Cup finely chopped mint; Salt and pepper, to taste; 3 Tablespoons olive oil, plus more for oiling grill (if needed); 1 orange, juice and zest; 5 (6-ounce) boneless skin-on salmon fillets; 1/3 Cup finely chopped red onions; 2 tomatoes, chopped, or 1 cup cherry or grape tomatoes, halved; 1 cucumber, peeled, seeded, and chopped; 1 Tablespoon lemon juice