Fisker Automotive hasn't exactly had the smoothest of launches for its all-electric Karma sedan, and it's now been dealt yet another small setback. As Wired Autopia reports, Fisker now plans to replace the battery packs on nearly all of the Karmas that have rolled off the assembly line -- apparently due to the same issue that caused the car to break down during Consumer Reports' test of the car. That includes some 640 cars in all (up from 239 in an earlier recall), although Fi