The purpose of the experiment was to determine whether manipulation of an individual's Facebook news feed by blocking either positive or negative emotional content could affect the mood and emotional expression of that person. In short, the experiment sought to determine whether emotion is "contagious."

The bottom line is that Senator Rockefeller is a typical politician and a classical hypocrite. He is also completely disingenuous. Were he truly committed to protecting kids from addiction to flavored tobacco products, he would never have sold out to Philip Morris by sponsoring and supporting legislation that exempted menthol from the cigarette flavoring ban. Even now, if he truly cared about the actual health of children, instead of attacking the e-cigarette industry, he would have devoted his time and energy to crafting and sponsoring legislation to ban menthol from cigarettes.

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