NEW : Palin documents show GOP overtures in August 2008 . NEW : E-mails reveal frustration with early ethics questions . Palin , aides express frustration with questions about children 's travel . Prominent Republicans had touted Palin as a possible running mate for a few months before . New :
NEW : Palin documents show GOP overtures in August 2008 . NEW : E-mails reveal frustration with early ethics questions . Palin , aides express frustration with questions about children 's travel . New :