Nissan Motor Co. is expected to struggle to find a new partner after the breakdown of its planned merger with Honda Motor Co. indicated a lack of urgency by the ailing carmaker about restoring its battered operations.Some foreign companies, particularly newcomers in the auto industry, may have been considering Nissan as a possible partner but could lose interest after seeing Nissan stick to its management independence, analysts say.Honda is also expected to face a tough challenge for survival after the collapse of the deal, which would have created the world's third-largest auto group. But …READ FULL ARTICLE