The Occupy Wall Street movement came to Capitol Hill Tuesday to welcome House members back after their holiday break.

The shops, located in retail spaces, offer patients convenience and access to medical tests without a doctor's orders. Physicians say that's precisely the problem. Test results could spark panic in some patients and drive up health costs.

Cars can do all sorts of things automatically these days — parallel park, adjust headlights, and sense when you're tired and sound an alarm or vibrate the driver seat. Cars also exist, albeit not yet on the consumer market, that can operate entirely free of a human driver. Two states, Nevada and Florida, are already considering regulating the operation of driverless cars. Audie Cornish talks with Bryant Walker Smith, who studies driverless car technology and policy at Stanford University, for more.

This spring, Chicago will become the first U.S. city outside of Washington, D.C., to play host to meetings of both NATO and the G-8 — at the same time. Mayor Rahm Emanuel's administration is getting ready to lay out the red carpet for thousands of delegates from 80 countries. But the city is also bracing for the hordes of protesters who are expected to descend upon the summits. Tuesday, a Chicago city council committee is set to consider new measures aimed at reining in protesters — and that has set off a debate about the First Amendment in Chicago.

The Supreme Court has declined to hear three cases involving free speech and religion. Two cases involved what powers school officials have to censor students for social media activities conducted from home. A third involved local government meetings that usually begin with Christian prayers.

Paula Deen became rich and beloved by selling greasy, sugary Southern comfort food. Now she's got Type 2 diabetes. Can the queen of indulgence promote excess while also promoting a healthy lifestyle? Heaven knows, she's trying.

The U.S. Supreme Court unanimously voted last week that churches are not bound by some workplace discrimination laws. It's being called the most significant ruling on religious freedom in decades. Host Michel Martin discusses the decision with The Washington Post editorial writer and legal affairs expert Eva Rodriguez.

In sociologist Katherine Newman's new book, The Accordion Family, she argues that globalization and weak economies have caused households to expand and incorporate grandparents, parents and children under one roof. Host Michel Martin speaks with Newman and two other women who live in multi-generational homes.