Public figures get all sorts of mail complementary, critical and nutty. The writer of the email was silly and cruel( could have been her husband...), but, she is the one who chose to share it and bring attention. I would have more sympathy if she were doing what Al Roker did (losing 115 lbs) and someone tried to tear her down. As such this story does not have a lot of fat on it.
The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.
What I found impressive, is that she didn't simply ignore the criticism, but that she had the heart to go up and turn it into a big issue. I think we should drop real news and go ahead and talk about this mean letter that hurt her feelings.