Marinated Roasted Wild Salmon Potato Salad

1 lb small red potatoes 1 lb asparagus, trimmed and cut into 1 inch pieces 1/4 cup dark brown sugar 3 tablespoons cider vinegar 3 tablespoons fresh lemon juice 3 tablespoons fresh lime juice 2 tablespoons Dijon mustard 2 cloves garlic, chopped salt and pepper 1 1/2...