why? why? did our august emperor feel the need to recruit luke? vader was already on life support, the pathetic rebellion was about to be crushed. once vader told him luke was on that shuttle, emperor should have blown it up. but noooo, the emperor decides to bring luke and vader together, the only two people in the empire that have a chance against him. what powers could a sith luke bring him, that he didn't already have with the imperial fleet and a fully operational battlestation, as well as being an all around meanie. must be those skywalker midichlorians clouding up force perceptions or something.