Mr Snowden's fans do not believe he did anything wrong at all: he simply lifted the lid on a rogue agency, risking his liberty on behalf of privacy everywhere.
The actions of both the young man and the teenage mother are "cultural," he suggests, because they follow from the individual's perceptions of how society works.
Declining mental function is often seen as a problem of old age, but certain aspects of brain function actually begin their decline in young adulthood, a new study suggests.
Beisner's group believes that planetary warming is part of a natural cycle and is not cause for alarm. He said he was not concerned that novels could increase people's fear of climate change.