But who are these heartland Americans who are unable to feel pain and sadness?
She confessed to Rich that, for the past two months, she had experienced double vision and was unable to feel her hands.
Psychologists and criminologists would later speculate that West was a sociopath - unable to feel normal human feelings or empathise with his victims, possibly due to a brain injury he had suffered in a motorbike accident.
In the U.S., partly in response to complaints by animal-rights activists, handlers at slaughterhouses are supposed to keep pigs calm by moving them along in small groups, and the animals are required to be rendered unconscious and unable to feel pain before they are killed.
They often switch to private firms when they have invested too little to raise standards, or if they feel unable to master the technology required.
We know from speaking to health professionals that many of them are desperate to give people with diabetes the best possible foot care but feel unable to do so under the existing system.
Most men feel unable to challenge the conventional wisdom that children are better off with their mother.
But no uniform should be so expensive that families feel unable to apply to, or attend, the school of their choice.
The third issue why it may matter, is simply out of people's feeling of happiness and wellbeing, and if we find people are perennially worried about certain issues that they feel unable to talk to people about, then their unhappiness and concern must be, at the end of the day, something of importance in social policy and to the government.
BBC: NEWS | Programmes | Panorama | Interview with Professor Webber
For older people, Mr Surl has said he will ensure they are "not preyed on", feel isolated and unable to seek help.
Both sides agreed the standard should be from Grutter, which is whether minority students are so few they feel isolated and unable to express their views in class.
FORBES: Affirmative Action Gets A Grilling At The Supreme Court
Anti-euthanasia campaigners believe right-to-die legislation would endanger vulnerable people who are unable to protect themselves, and may choose suicide because they feel they are a burden to carers.
Our problems have been caused by our politicians who have been unable to say no to any spending which they feel might buy a vote.
The girls expressed their fears about needing to be seen with fashionable clothes and gadgets - making them feel bad about themselves and making them feel vulnerable to bullies if they were unable to keep up with their peer group.
In their previous league match, City produced an impressive display to beat Chelsea 1-0 but they were unable to reach such heights against a disciplined Newcastle side, who will feel their efforts deserved greater reward.
I'm unable to work or parent effectively for months or even years at a time - then the tide goes out and I feel "normal" for a while, able to function again.
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