Gingerbread Cupcakes with Orange Icing

INGREDIENTS

• 1/2 cup golden raisins
• 1 cup (8 ounces) sour cream
• 1 teaspoon ground cinnamon
• 1 1/2 teaspoons ground ginger
• 1/2 teaspoon orange zest
• 1/4 pound (1 stick) unsalted butter, at room temperature
• 1/2 pound confectioners' sugar, sieved
• 1/4 pound (1 stick) unsalted butter
• 1 1/2 teaspoons grated orange zest
• 1/2 teaspoon kosher salt
• 1/4 teaspoon ground cloves
• 1/2 teaspoon pure vanilla extract
• 8 ounces cream cheese, at room temperature
• 3/4 teaspoon baking soda
• 1/3 cup minced dried crystallized ginger (not in syrup)
• 2 1/3 cups all-purpose flour
• 1/4 cup dark rum or water
• 6 pieces dried crystallized ginger (not in syrup), sliced in half
• 1 cup unsulfured molasses