TIME's Mark Halperin on why Palin's grizzly ad is so good

TIME's senior political analyst Mark Halperin on the strengths of Palin's grizzly bear ad:



Here's Halperin more in depth and in print. Halperin ends his article with:

"Palin thrives on the unpredictable, and as her new video shows, she can adapt quickly. 'What she knows, you can't teach,' says Mark McKinnon, a top strategist for George W. Bush and McCain. And what she doesn't know she can learn — and she's learning fast.'"