How their partnership was formed: Like Gates and Allen, Ben Cohen and Jerry Greenfield were childhood friends.

关系形成：跟盖茨和艾伦一样，本·可汗和杰里·科恩菲尔德在童年时代就是朋友。

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The opinions expressed in this commentary are solely those of Ben Cohen and Jerry Greenfield.

CNN: Stamp stampede on your dollar -- for democracy

Ben Cohen and Jerry Greenfield say they worry about a possible accident.

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Like Paul Newman, and ice-cream makers Ben Cohen and Jerry Greenfield, the founders of Give Something Back, Michael Hannigan and Sean Marx, have figured out that charity can be an effective marketing tool.

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