USA Update Newly discovered newspaper articles by Mark Twain reveal 'identity crisis'

Over 100 stories and letters from America's famous humorist have been discovered by researchers at the University of California, Berkeley.

Jeff Chiu/AP

A team of University of California, Berkeley scholars working on the Mark Twain Project have discovered a cache of Mark Twain stories from his early days as a newspaper man in San Francisco. Many of these stories and letters, which are 150 years old, reveal a darker side of the author who eventually came to be known as America’s first modern celebrity.