Today the Supreme Court will hear arguments in Arizona v. United States, the case that will decide the constitutionality of Arizona's controversial immigration law, known as SB 1070. Kris Kobach is the Secretary of State of Kansas and the architect of SB 1070, as well as immigration laws in Alabama, Utah, South Carolina and a number of other states. He argues that federal immigration law allows for state and local cooperation in immigration enforcement.

Fresh off hearing oral arguments for and against President Obama’s health care overhaul, the Supreme Court is stepping back into the political spotlight. Today, the high court will consider the legality of Arizona’s tough crackdown on illegal immigrants. Jeffrey Rosen, professor of law at George Washington University, talks about the major legal implications of SCOTUS' coming ruling. 

More than two years after the Deepwater Horizon drilling rig explosion that killed 11 workers and caused millions of barrels of oil to spill into the Gulf of Mexico, federal authorities have arrested Kurt Mix, a former BP engineer. Mix was among those tasked with monitoring and stopping the leaking oil; he is is accused of destroying evidence showing exactly what the company knew about why attempts to seal the leak were failing.

Walmart’s bribery scandal may be rocking the halls of the Bentonville-based retailer, but what about the streets of Bentonville itself? The Takeaway finds out what local people think about the Walmart’s latest woes.    

Five Republican primaries, no real surprises: Mitt Romney sweeps the night and is now looking ahead to the general election. Anna Sale, reporter for our co-producer WNYC's politics website It's A Free Country, takes a step back to discusses Newt Gingrich and the continuation of this seemingly finished race. Steffen Schmidt, It's A Free Country contributor and professor of political science at Iowa State University, looks forwards and considers Romney's fight for the hearts and minds of the GOP base.

Today the Supreme Court will consider whether Arizona’s approach to illegal immigration clashes with federal law. If they decide it does, what else will states be able do to address their concerns over illegal immigration?

The United States has long been a car culture. But with fewer young people buying cars than ever, an American automobile industry in decline, and rising fuel prices, this culture is facing something of a crisis. Taras Grescoe, author of "Straphanger," takes this as a unique opportunity to look at public transportation throughout the world, and to consider how trains, subways, and buses can be better integrated into our daily lives.

New evidence in a judicial inquiry into News Corporation suggests that a senior minister in Prime Minister David Cameron’s government secretly helped Rupert Murdoch expand his global media empire. The British public remains transfixed by the story, but equally concerned are American shareholders of the company. Simon Greer, CEO of Nathan Cummings, News Corp shareholder weighs in from New York.

Many of us spend hours with our smartphones and computers, texting and emailing. We peruse social networking sites, updating our followers several times a day on our moods and thoughts. In many ways, it seems we have greater safeguards against loneliness than we ever have. But Professor Sherry Turkle wonders if, in the age of digital saturation, we’ve sacrificed conversation for mere connection.