Thom is joined by theoretical physicist and best-selling author, Dr. Michio Kaku for "Conversations with Great Minds". In the first half of the show, they discuss Dr. Michio's "String Theory" and the latest developments in the Japan nuclear disaster. Later in the show, Thom leads a panel discussing the week's hottest news topics in the "Weekly Rumble".

Thom Hartmann talks to Michio Kaku about his new book Physics of the Future. String theory, time itself and how bubbles form are all on the table. They also talk about the Fukushima nuclear power plant meltdown and the future of energy. Michio Kaku speaks directly to President Obama who supports Nuclear Power.

Thom provides a detailed presentation of how the wealthy population in America pays minimal federal taxes, while the bulk of the tax percentage is paid by middle class Americans.

Challenging Times Need a Challenge. Thom Hartmann sits down with Doug Knight, Executive Director for Street Sense.