Rummy Old-Fashioned

RUMMY OLD-FASHIONED2 c. demerara sugar cubes or light brown sugar cubes1 c. water4 orange slices2 T. fresh orange juice1 t. Angostura bitters1 T. orange bitters8 oz. dark rumMaraschino or brandied cherries, orange slices, garnish In small saucepan over medium heat,…