Why don’t the US question or temporarily detain all passengers traveling from Pakistan, Sommalia, or Yemen?

Or better yet, why don’t we deny entry to all people who have traveled to those countries? Those countries are were all the terrorists get their training. There is no reason people would go to those places just for tourism.

How come Tourists never want to travel to Pakistan?

And only go to India on necessary business trips? Arab countries have the highest tourist travel in Asia along with Japan, Malaysia and Hong Kong. Egypt (my country) has made the top 10 tourists destinations for the past 30 years. Also, Kuwait, Qatar, Bahrain, Egypt and UAE are all places tourists love to take vacations [...]

If pakistan is in south asia, why they have so many arab terrorists?

like usually it says on news, drone attack of usa on a terrorists place in pakistan killed 6 arabs or so.Does that means the terrorists there are all arabs?

After Afghanistan and Pakistan, is Yemen the next Al Qaeda hub?

http://www.reuters.com/article/idUSTRE60C5NM20100113?type=politicsNews http://www.latimes.com/news/nation-and-world/la-fg-yemen-raid14-2010jan14,0,3294123.story

Al-Qaeda fleeing Pakistan for Somalia, Yemen

In a sign that efforts to root out militants in Afghanistan and Pakistan may be making headway, American officials say members of al-Qaeda are beginning to flee the region, heading for places like Somalia and Yemen. David Sanger of the New York Times, the author of the book The Inheritance: The World Obama Confronts and [...]