Robert Kidder, a private-equity investor and former consultant for Ford Motor Company will become the chairman of Chrysler Group once the automaker emerges from bankruptcy and completes a merger with Italy's Fiat, the company said Wednesday.┬á Kidder, was also the chief executive of battery maker Duracell, and also serves as the lead director of Morgan Stanley and a board member at Schering Plough Corp.┬á He will succeed Chrysler's Bob Nardelli, who is stepping down as the bankrupt automaker's chairman and chief executive.┬á Sergio Marchionne, FiatÔÇÖs chief executive, i