Several governors’ offices have received letters with a white substance in them this week. The latest to receive such a letter is the Governor of Alaska, Sarah Palin. So far the offices of the governor of Alabama, Michigan, Minnesota, Mississippi, Missouri, Montana and Rhode Island have also had letters with an unknown white powder sent to them. The letters were all postmarked Dallas and while the letter Palin’s office received was postmarked Texas, authorities are not saying whether or not it was sent specifically from Dallas. more »