Here are the best and worst-case scenarios for Google in its battle with the DOJ

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• The US Justice Department weighs several remedies for Google in a drawn-out antitrust fight.
• One analyst predicted it could take 3-4 years before a final verdict is reached.
• Analysts say a structural breakup is unlikely, but there is risk regarding Google's AI.

For years, the US Justice Department's lawsuit against Google's Search business has been largely ignored by Wall Street and even many of Google's employees.