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The London 2012 Olympic countdown clock shows 100 days to go in Trafalgar Square on April 18, 2012 in London, England. The opening ceremony of the games will take place on July 27, 2012.

Rico Gagliano and Brendan Francis Newnam, hosts of The Dinner Party, join Madeleine Brand for their weekly booster shot of cultural news.

On tap this week, the plan for London's Olympic opening ceremony, the relationship between depression and sleepiness, and the history of the phrase, "the smoke-filled room."

The Dinner Party airs on Sundays on KPCC at 3 p.m.