The Transportation Security Administration has begun more thorough pat-downs at airport security checkpoints just weeks before holidays' heavy travel season. Many passengers have already complained of inappropriate contact and others are upset with the intimacy of the search. Secretary of Homeland Security Janet Napolitano explains the new search procedures and the full-body scanning machines that have been set up in airports. She and the TSA are asking passengers to be patient and cooperate.

"The vast majority of the traveling public understands that this is a safety and security measure," Napolitano said. Read a full transcript. 

Secretary of Homeland Security Janet Napolitano will tour the Transportation Security Laboratory in Atlantic City, NJ, on Wednesday. We talk with Napolitano about the cutting-edge screening technology being developed there for DHS, and get her thoughts on the Gulf oil gusher - and where she thinks responsiblity lies.

The last few weeks have been busy for U.S. Secretary of Homeland Security Janet Napolitano. Besides dealing with international and domestic security concerns following the foiled bomb plot on Christmas Day, Napolitano is also addressing the devastation in Haiti and how to best help those who made need to seek refuge in the United States.

This week, President Obama proclaimed that terrorists in the border regions of Afghanistan and Pakistan are plotting new attacks aimed at American soil. The person tasked with preventing those attacks is Secretary of Homeland Security Janet Napolitano. She joins us to talk about the biggest dangers appearing on her daily threat matrix, and how she hopes to approach the thorny issue of immigration reform. (click through for the full interview transcript)