Here's a good point by point response. The second:
Palin's point #2: "Unfortunately, many in the national media would rather focus on the personality-driven political gossip of the day than on the gravity of these challenges."
Response: Yes the media is over-focused on political gossip such as the Levi Johnston stories. But it is funny that Palin believes she can better focus on these "challenges" as a columnist for the Washington Post than as governor of an oil-rich state.
And: Shouldn't a piece on cap-and-trade at least mention greenhouse gases? Or at least pollution?