If by "controversial" he means "stupid," I agree.
Hansen: US Democracy Not Competent To Deal With Global Warming Calls on China to Save Humanity
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Link to the PDF:
fyi
I worked this piece up in 2009.
O, their offence is rank it smells to heaven;
It hath the primal traitors curse upon’t,
A nations murder. Pray can they not,
Though inclination be as sharp as will:
Their stronger guilt defeats their strong intent;
And, like a Congress to double business bound, They stand in pause where they shall first begin,
And both neglect. What if this cursed hand
Were thicker than itself with citizens blood,
Is there not rain enough in the sweet heavens
To wash it white as snow? Whereto serves mercy
But to confront the visage of offence?...
Parody, “Hamlet,” Act III Scene III