Like Tweet +1 Published: Tue, Nov 24th 2009 @ 11:29 am ESTLength: 32 min 9 sec"The Broken Door" examines how the lack of immigration enforcement can create a national security risk. Experts on the immigration issue share their thoughts on the 9/11 attacks and immigration enforcement loopholes. Immigration and Terrorism: Immigration 108 Tags: Interior Enforcementterrorism