Mitt Romney, the presumptive candidate for the Republican nomination, is hiring hundreds of new staffers over the next few months. The former Massachusetts governor is still surrounded by a trusted core of senior advisers, however, and they aren't going anywhere. Host Rachel Martin talks with NPR's Ari Shapiro about the inner circle.

The U.S. Supreme Court will hear arguments next week on the most divisive immigration law in recent memory. Arizona's Legislature passed SB 1070 two years ago, but much of it has been put on hold pending the court's decision.

Still, supporters say the law has achieved one of its stated goals: Thousands of illegal immigrants have self-deported, leaving the state on their own. The real reason — and consequence — of such a demographic shift may be more complex, however.

Just the arrival of Argentine President Cristina Fernandez de Kirchner prompted supporters in her Peronist movement to break into chants last Monday. The event, choreographed to feel momentous, was at the presidential palace. Fernandez de Kirchner announced plans to expropriate assets of the Spanish oil firm Repsol in Argentina.

Through a window, television viewers could see a huge image of Evita Peron, the famous 1950s-era populist whose presence is deeply felt in today's government.

In his State of the Union address two years ago, President Obama argued there were a few things the U.S. needed to do in order to recover from the economic recession. One of them was to export more of our goods around the world.

"The more products we make and sell to other countries, the more jobs we support right here in America," Obama said.

That night, the president unveiled a new goal: to double U.S. exports over the next five years. It would be an increase that the president said would "support two million jobs in America."

Writer Adam Gopnik describes the idea of his latest piece in the New Yorker: that the prime source of nostalgia in popular culture is usually the period 40 years beforehand.

In 2009, prosecutors in Detroit discovered more than 11,000 boxes of potential evidence in rape cases left completely unprocessed. Row upon row of what are called "rape kits" remained untouched on shelves in a police evidence room for years. No DNA evidence was extracted; no DNA evidence was used to catch or prosecute the assailants.

Since then, Wayne County prosecutor Kym Worthy has lead the effort to sort through those 11,000 rape kits and to find the funding to get them processed.

Two years ago, Robert Bennett, a Republican senator from Utah, was voted out of office at the state's Republican convention. Bennett's friend, Utah Sen. Orrin Hatch, has worked hard over the past year to avoid the same fate at today's state convention. Weekends on All Things Considered host Guy Raz talks with NPR's Howard Berkes about the results of today's convention vote.

Yesterday, three members of the Secret Service resigned, bringing to six the number of agents who have lost their jobs as a result of the prostitution scandal that rattled the agency last week. Weekends on All Things Considered host Guy Raz speaks with news analyst James Fallows of The Atlantic about that story and others.