Two days of talks on Iran's nuclear program ended in Kazakhstan Tuesday. Although there were no dramatic breakthroughs, officials reported there was enough movement to return to the table in April to try to resolve concerns and questions about the program.

For nearly two centuries, Charles Dickens' colorful characters and memorable expressions have worked their way into the vernacular. The prolific 19th-century English novelist left behind 989 named characters and two dozen novels full of the pathos and comedy of London's rich and poor.