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Implications of "pervasive" global cyberattack

| No one has claimed responsibility for a global cyberattack that disabled at least 2,000 computers in the U.S. and Europe. Ukraine reported the most attacks. CBS News senior national security analyst Fran Townsend, a former homeland security adviser for President George W. Bush, joins "CBS This Morning" to discuss whether the government has an obligation to protect citizens from these types of attacks.