Rosie Castro was a Mexican-American civil rights activist during the 1970s. She passed down her passion for change to her children: Texas State Representative Joaquin Castro and San Antonio Mayor Julian Castro. For Hispanic Heritage Month, Rosie Castro speaks with host Michel Martin about the Chicano movement and raising her twin sons.

More than 100,000 undocumented young people have applied for deferred action, hoping to get a reprieve from the threat of deportation. But after years of living under the radar, many are having trouble finding documents to prove their eligibility. Host Michel Martin talks with Chung-wha Hong of the New York Immigration Coalition.

Last week, we discussed state-by-state differences in online conversations around the issue of unemployment. That analysis of millions of words from news posts, blogs and user comments showed how the conversation in the swing states of Florida, Ohio and Virginia varies greatly because of cultural and socioeconomic factors.

The Sacramento San Joaquin delta supplies drinking water for more than half of California. Just inland from the San Francisco bay, this patchwork of levees, farmland and waterways is threatened by rising seawater.  But people who live there say the state's plan to take freshwater from north of the delta will only make things worse 

Sharmin Bock has helped convict dozens of child sex traffickers.

“In my 23 years as a prosecutor, I have to say, I have never seen a defendant as manipulative and dangerous as a trafficker,” says Bock.

Bock is an assistant district attorney in Alameda County, and co-author of Proposition 35. The initiative would increase prison time for people convicted of forcing others into commercial sex or labor - and could fine them more than a million dollars. She says Prop 35 would crack down on people who exploit children.   

We learned two things this morning: First, experts from the Florida Fish and Wildlife Conservation Commission believe that the softball-sized eyeball that washed up in Pompano Beach, Fla. belongs to a swordfish.

Supertasters are the Olympic athletes of gastronomy, able to detect subtle differences in flavors that other people never register. That talent may make for more than a discriminating palate, though. It may also warn them about attacking germs, and help them defend themselves against sinus infection.

This notion isn't as bizarre as it may seem. Bitter tastes have long been considered a danger signal in foods, warning about potential toxins in potatoes and other vegetables. If the potato's bitter, don't eat it.

In what's being called a "historic agreement," Prime Minister David Cameron and First Minister Alex Salmond have hammered out a deal will allow Scotland to decide if it wants to secede from the United Kingdom. The question will be settled in a 2014 referendum.

The AP reports:

"Officials from London and Edinburgh have been meeting for weeks to hammer out details of a vote on Scottish independence. Sticking points included the date and the wording of the question. ...

More than 7 million people were watching as Felix Baumgartner sat at the edge of his space capsule yesterday 24 miles off the ground and got ready to jump, in what was known as the "Red Bull Stratos" project, better known as the "space jump." I saw it myself; he opened the door, and there was something there that certainly seemed to be space.