Yet, when these students receive their graduate degrees, their student visas expire and they are forced to leave the United States.

FORBES: Training Our Competition

This may explain why the Taliban leaders are staying in Pakistan not because they are afraid of being killed but because they are waiting for the United States to leave.

NEWYORKER: After America

"It is yet another gross insult to the Gurkhas that despite their bravery, unstinting service and commitment to the United Kingdom, they have been wilfully frustrated in their attempts to put their case for leave to remain in the United Kingdom, " he wrote.

BBC: Gurkhas win High Court hearing

They point out that the United States' anti-drugs efforts in Colombia leave areas of cultivation outside the south largely untouched.

ECONOMIST: Colombia��s drug-bedevilled hopes of peace

If only fences are mended with the United Nations, they have been encouraged to believe, the world will once again leave us alone.

CENTERFORSECURITYPOLICY: Welcome to World War IV

"The recession has a lot to do with whether people would leave as willingly as they would before, " said Michael Mulgrew, the president of the United Federation of Teachers.

WSJ: Data Shows Teachers Stay in Job Longer

Many expressed gratitude to the United States for their newfound freedom but, in the same breath, they warned their liberators to leave Iraq and not divide their country.

CNN: Pilgrims flood Karbala on final holy day