For one, Obama had the balls to say it to McCain's face in the debate and McCain didn't dispute it. But here is a link from the Washington post
http://voices.washingtonpost.com/the-trail/2008/10/06/in_fla_palin_goes_for_the_roug.html
and another
http://www.washingtonpost.com/wp-dyn/content/article/2008/10/06/AR2008100602935.html
and another
http://www.thetimes-tribune.com/articles/2008/10/14/news/doc48f4ba8994588930223377.txt
And I heard with my own ears members of the crowd yell "terrorist" and "treason"...
Irie