That same email has been going around for years. You'd think at some point they'd change the text or make it at least somewhat more convincing. If you take a line from the email and google it in quotes, you'll see that it's pretty common and even has happened to a few politicians :

http://www.sophos.com/blogs/gc/g/2010/07/08/scammers-hack-senators-email-account/

http://news.bbc.co.uk/2/hi/uk_news/politics/7908498.stm