Links:
[1] http://travel.state.gov/travel/cis_pa_tw/cis_pa_tw_1168.html
[2] http://www.ias.edu/files/vvs/images/security.png
[3] http://www.ias.edu/campus/vvs/alerts-tech
[4] http://www.tsa.gov/index.shtm
[5] http://www.ias.edu/campus/vvs/alerts-travel
[6] http://www.ias.edu/campus/vvs/alerts-travel-guidelines
[7] http://www.customs.gov/