Need to Know News: Petraeus scandal extends to top Afghan commander; After the election, a new push on Syria

Each day, we here at "Piers Morgan Tonight" put together the news you need to know – from what happened last night to what will happen today.

For November 13, 2012 – David Petraeus scandal extends to top Afghan commander, after the election, a new push on Syria and people 'unliking' Mitt Romney on Facebook...

• Petraeus scandal extends to top Afghan commander: "Gen. John Allen, the top U.S. commander in Afghanistan, is under investigation by the Defense Department for allegedly sending inappropriate messages to Jill Kelley, the woman whose complaints about e-mails from another woman led to the discovery of David Petraeus' affair and his eventual resignation."

• After the election, a new push on Syria: "The United States and its allies are gearing up for a new push to unify the Syrian opposition and topple President Bashar al-Assad."

• Labor to press Obama on tax hike for wealthy: "A cadre of top labor leaders is headed to the White House on Tuesday to press their concerns about the fiscal cliff."

• Microsoft's Sinofsky out after Windows 8 launch: "Two weeks after Apple's stunning management shakeup, Microsoft has announced a shocker of its own: Windows chief Steven Sinofsky, heir apparent to Microsoft CEO Steve Ballmer, left the company Monday."

• People 'unliking' Mitt Romney on Facebook: "People began unliking Romney's official Facebook page soon after the election results came in last week. The Washington Post noticed the drop on Friday, when the GOP presidential candidate's page was losing 593 likes an hour."

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