Opting out of children in Sweden, accused of selfishness

"Aren't you afraid of being alone when you're old?" is a question I get asked. "But I'm definitely not," says Zanna Wiede, who is childless. Fewer children are being born in Sweden, a trend the government wants to reverse. Mean comments and prejudice are also a daily reality for many who choose not to have children, according to researchers who believe that society must be prepared for a new era.