Terri Dial's resignation as head of North American consumer banking at Citigroup Inc. answered long-simmering questions about how much longer she would last at the beleaguered company.

But it did little to clear up other key questions hanging over the company, such as what it plans to do with its branch network, and whether it will ever close out the game of musical chairs that seems to redraw the firm's organizational chart every few months.

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