Steve Kroft looks at the Sony cyberattack by North Korea that occurred last November, as well as similar nation-on-corporation attacks which security consultants say will increase; Norah O'Donnell profiles U.S. ambassador to Japan, Caroline Kennedy, who as a member of America's most prominent political family has had to be diplomatic all her life; Armen Keteyian talks with former Duke University lacrosse coach Mike Pressler, whose life was marred by a scandal that turned out not to be true.

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