A motorcycle-riding Sarah Palin fueled speculation of a White House run Sunday by launching a tour that will take the Republican rock star to the key early presidential voting state of New Hampshire.Duration: 00:47

Sarah Palin: Mama Grizzly Bears Are ‘Serious.’ Suggesting Otherwise Is ‘Bear Propaganda’
What’s Your Reaction? Sarah Palin devotes a chapter of her new book “America By Heart” to defending the “Mama Grizzly” movement and her own feminist credentials in a segment that strangely starts by accusing citizens of the lower-48 of perpetuating “bear propaganda.”

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Sarah Palin’s ‘mama grizzlies’ have tough summer: Is she losing her touch?
Sarah Palin has endorsed conservative candidates in dozens of Republican primaries this year. But her chosen office-seekers have been mostly unsuccessful. Has Sarah Palin lost touch with the Republican primary voters who make up her base?

Read more on The Christian Science Monitor