Jordan Graham, who is accused of deliberately pushing her husband to his death in Montana's Glacier National Park, agreed to plead guilty to second-degree murder
Questionable legal defense popularized in 1990s to describe condition of rich kids who have sense of entitlement, are irresponsible, make excuses for poor behavior
Leader's former mentor Jang Song Thaek, once considered No. 2 man in country, is called "worse than a dog"
People remembered details at museum better when they looked versus photographed object