Pulled Chicken Sandwiches with Root Beer Barbecue Sauce

Name: Pulled Chicken Sandwiches with Root Beer Barbecue Sauce
Ingredients: 1/2 cup root beer; 1/2 cup ketchup; 3 tablespoons cider vinegar; 2 tablespoons yellow mustard; 1 tablespoon packed brown sugar; 2 teaspoons Worcestershire sauce; 1/4 teaspoon salt; 1/4 teaspoon freshly ground pepper; 1/8 teaspoon ground ginger; 1 clove garlic, smashed; Dash of red pepper sauce; 1 deli rotisserie chicken (unflavored), skin and bones removed, shredded (about 3 cups); 4 kaiser rolls, split; 2 cups purchased coleslaw