Spaghettini with Carrots Olives and Red Endive

Name: Spaghettini with Carrots, Olives, and Red Endive
Ingredients: 2 tbsp. pine nuts; 3 tbsp. olive oil; 12 oz. red endive or radicchio, cut into 2-inch pieces; 1 1⁄2 tbsp. sugar; Kosher salt and freshly ground black pepper; 8 oz. spaghettini; 2 medium carrots; 1⁄4 cup pitted and halved kalamata olives; Finely grated zest of 1 lemon; 1 cup packed arugula