Politico:

Sens. Lindsey Graham and Joe Lieberman have been working overtime to craft a climate bill that can attract significant GOP support. But they aren’t exactly scoring points with their mutual best friend in the Senate, John McCain.
“Their start has been horrendous,” McCain said Thursday. “Obviously, they’re going nowhere.”
McCain has emerged as a vocal opponent of the climate bill — a major reversal for the self-proclaimed maverick who once made defying his party on global warming a signature issue of his career.
Now the Arizona Republican is more likely to repeat GOP talking points on cap and trade than to help usher the bill through the thorny politics of the Senate.
McCain refers to the bill as “cap and tax,” calls the climate legislation that passed the House in June “a 1,400-page monstrosity” and dismisses a cap-and-trade proposal included in the White House budget as “a government slush fund.”