"You've got to run scared all the time, " says Sharer, during an interview in his art-filled office overlooking Amgen's campus.

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Are you scared to run the Boston Marathon again, Mommy?

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But what if he'd gotten scared and run?

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Because they are cheap to run and politically popular, scared-straight programmes are widespread in the United States.

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"Basically, it's a lot of running and jumping and being scared, and then running and then jumping some more, and then guys pull guns and then I run and I jump and I'm scared, " Smith says, giving a quick synopsis of his role.

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The tea party movement has been fueled and run by "just moms" like Amy Kremer who are scared for their children's future and are taking a stand.

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The slower growth that scared Wall Street last year was caused partly by Gillette's decision to run down stocks of its Sensor and Atra shavers ahead of this week's launch.

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