In pictures: US views on the costs of war
John Barton, from New Hampshire

We've got to do whatever's necessary at a time of war. It's not about money.

If you go back in history to Vietnam or Korea or World War II, adjusting for inflation, we're probably talking similar amounts of dollars.

The primary purpose of government is to keep us safe - it's not to give us health insurance and do things we can do ourselves.

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