NPR News

At colleges across the country, some 90 percent of student housing is co-ed. Now, Catholic University in Washington, D.C., wants to turn back the clock.

The college is returning to single-sex dorms. The university hopes to fight back against a culture of binge drinking and casual sex.

With 2011 marking the 150th anniversary of the Civil War's beginning, tourists and history buffs are expected to travel to famous battle sites, such as Gettysburg and Bull Run, in record numbers. Missouri would like some of that attention — only Virginia and Tennessee contain more Civil War battle sites.

Missouri was on the western front of the Civil War. The Battle of Wilson's Creek was fought there; in total, more than 1,000 skirmishes and battles took place in the state.

Jim Risen, a reporter for The New York Times, will ask a court Tuesday to throw out a Justice Department subpoena. Risen says he doesn't want to testify against a CIA agent accused of leaking classified information.

Risen has a history of digging for government secrets and finding pay dirt. He helped expose the government's warrantless wiretapping program. And he ventured into the shadows again to write a history of the CIA during President George W. Bush's years.

Former Utah Gov. Jon Huntsman formally kicks off his presidential campaign Tuesday, with New York's Statue of Liberty as a backdrop. He's hoping some tired and poor Republicans are yearning for a different kind of candidate. Huntsman holds moderate views on immigration and same-sex civil unions, and he wasn't afraid to serve in the Obama administration, as U.S. ambassador to China.

As governor, Huntsman was also a leader in a regional effort to control greenhouse gases, by capping carbon emissions and trading pollution permits.

Protesters in Yemen, along with key tribal and religious leaders, have spent months in the streets calling for the resignation of President Ali Abdullah Saleh and for new elections.

The Obama administration and Pentagon officials are expressing fears that al-Qaida in the Arabian Peninsula may take advantage of the current power vacuum to increase its influence. But some Yemen watchers say that while Saleh recovers in a Saudi hospital from wounds suffered during an attack on his palace, the U.S. is missing an opportunity to foster a diplomatic solution to the crisis.