1. Rinse chicken, and pat dry. Place in a gallon-size zip-top plastic bag. Combine chicken broth and next 8 ingredients in a mixing bowl.
2. Reserve 1/2 cup marinade; pour remaining marinade over chicken. Seal bag, and refrigerate up to 24 hours, turning occasionally.
3. Grill chicken, uncovered, at medium-high for 6 minutes on each side or until cooked through, basting with reserved 1/2 cup marinade every few minutes.