Why we fight with our siblings over the holidays

In Conversations with Great Minds, Thom talks with the Center for America’s Future Richard Eskow, host of ‘The Zero Hour’ radio show. ‘Geeky Science’ looks at the science of why we fight with our siblings over the holidays, and in ‘Green Report’ we air ‘Green World Rising’, the third in a series of climate change documentaries narrated by Leonardo DiCaprio and presented by Thom Hartmann.