How to Fix Vodafone

Four experts weigh in on what the mobile giant should do next

Vodafone CEO Arun Sarin has moved swiftly to turn around the situation at Vodafone (VOD). But industry experts are divided on whether the changes are enough and what else Sarin needs to do. BusinessWeek.com tapped some of the industry's leading thinkers for their thoughts. Here are excerpts:

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