Tourism Tidbits is distributed by Tourism and More. It is an easy read and comes monthly via email. The April 2015 newsletter gave an interesting update on tourism security challenges and current vulnerabilities.
The founder and president of Tourism and More, Dr. Peter Tarlow is a world-renowned speaker and expert specializing in such areas as: the impact of crime and terrorism on the tourism industry, event and tourism risk management, and economic development. Check it out - http://www.tourismandmore.com