Editor's note: Read all of Security Clearance's coverage of the 2012 NATO summit in Chicago. Follow our reporting and other key NATO tweets with our NATO summit Twitter list.
The road map out of the war in Afghanistan is expected to be drawn up by U.S. President Barack Obama and other world leaders when they gather Sunday at the NATO summit in Chicago.
Against a backdrop of massive protests – and a foiled, homegrown terror plot that targeted Obama and others – the summit will open with NATO countries trying to figure out how to meet a 2014 withdrawal from an unpopular war while shoring up Afghanistan's security forces.
Security is expected to be tight at the summit following the arrest of three men, described by authorities as anarchists who plotted to attack Obama's Chicago campaign headquarters and lob Molotov cocktails at police during the summit.
Police insist there are no imminent threats to the leaders of more than 50 nations gathering at the summit.
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