SANDY'S SHORT TAKESSometimes the arranger comes from outside, and neither the bride nor groom is willing. In the aftermath of the bloody Culloden massacre, the Duke of Cumberland contrives an alliance of power and loyalty. The Forbes clan fought for the king, but Rory Forbes values his solitude. Marriage to the Jacobite survivor Bethia MacDonell threatens Rory's risky ventures in Patricia Potter's The Black Knave. Circumstance has made them sworn enemies who now must decide whether to forge a loving alliance.