Those who insist that marijuana has medical uses would serve society better by promoting or sponsoring more legitimate research.

That began my challenge ? to secure America's borders from terrorists and other criminals without choking off the flow of legitimate trade and travel, which is so vital to our economy.

The reality is these are major companies we have dealt with for years .... We got tremendous security benefits by essentially embracing the private sector in what is the largest and most successful government-private sector partnership to form after 9-11.

The question we faced was, Can you risk-manage for terrorism? If the answer is yes, you can spot-inspect.

Dubai has acknowledged the absolute importance of securing cargo against terrorists.

The security concerns that have been expressed are greatly exaggerated. What you have here, I think, are a number of politicians who are overreacting.