There are a number of stories in the media that indicate Sarah Palin's popularity is increasing among American voters.
A recent poll indicates that Sarah Palin's approval rate is now 46%, compared to Barack Obama's at 47%.
Right after Palin resigned the governorship of Alaska, her approval rating dipped to 39%. Since then it has been slowly improving, and now only 1% separates her from the President's approval rating.
Read about it here.
The Los Angeles Times has an article about it here.