The writers' group PEN is well known for its core mission: Supporting free speech around the world. Its members include Nobel and Pulitzer prize winners. But it needs to expand, as the traditional publishing world shrinks.
Four years ago, the word 'hope' became intertwined with Barack Obama's presidential campaign and his first days in office. This week, he had his second inauguration. Four writers explore the meaning of the word 'hope' in today's world.