Paul Lamb's father is an old-style, take-to-the-streets-with-a-sign activist. He and new-style social networking activists have a lot to learn from one another.

This week marks the 31st anniversary of Ayatollah Khomeini's return to Tehran after 15 years in exile. Usually marked by triumphant rallies, this time protests are expected for the anniversary. In a letter to the International Atomic Energy Agency, Iran has also just announced its intentions to begin processing its uranium stockpile to a higher level of enrichment.

The Farallon Islands, vaguely discernible on the horizon west of San Francisco, are home to huge seabird colonies and a wealth of animal life. We talk with Bay Area experts about the Farallon National Wildlife Refuge, created by President Theodore Roosevelt over 100 years ago, and about the sharks, whales and ocean life surrounding it.

Stephen Lavezzo used to cringe at the rambling stories his father frequently told in his heavy Italian accent. Now, he prays they'll never end.

Some half a million people are streaming from the countryside back into the shattered Haitian capital, Port-au-Prince, and some local officials say that's complicating efforts to rebuild the city. We talk about the human cost of the disaster with rescue workers, doctors and others who've just returned from Haiti.

Stewart Brand helped define the 1960s counterculture with his "Whole Earth Catalog." Now he's angered some on the left with a new book, "Whole Earth Discipline: An Ecopragmatist Manifesto," which endorses nuclear power and genetic engineering. Brand joins host Michael Krasny in the studio.

The recent rain storms have drenched Northern California, in some places dumping almost twice as much rain as we'd expect to see at this time of year. That's great news for a state that's suffered three years of drought. But are we finally in the clear?

The recent rain storms have drenched Northern California, in some places dumping almost twice as much rain as we'd expect to see at this time of year. That's great news for a state that's suffered three years of drought. But are we finally in the clear?

California's once unparalleled higher education system is on the ropes, and more and more students are turning to private for-profit schools for degrees and career training. This second part of our look at nursing education examines a market-based approach to training.

California's once unparalleled higher education system is on the ropes, and more and more students are turning to private for-profit schools for degrees and career training. This second part of our look at nursing education examines a market-based approach to training.