By Julie Watson SAN DIEGO A federal judge for the first time in U.S. history heard arguments Monday in a case that could determine whether animals enjoy the same constitutional protection against slavery as human beings.

GOODE

An American aid worker rescued by Navy SEALs in Somalia last month says she's thankful for the support she's received.

Thirty-two-year-old Jessica Buchanan was rescued last month along with a 60-year-old Danish man. The two were working with a demining unit when gunmen kidnapped them in October.

By David Espo and Steve Peoples TAMPA, Fla.

Mitt Romney routed Newt Gingrich in the Florida primary Tuesday night, rebounding from the previous week's defeat with a commanding victory and taking a major step toward the Republican presidential nomination. Despite the one-sided setback, Gingrich vowed to press on.

MOGADISHU, Somalia
Held captive since last fall, an ailing American woman and a Danish man will soon be safely on their way home after a bold, dark-of-night rescue by U.S. Navy SEALs. The commandos slipped into a Somali encampment, shot and killed nine captors and whisked the hostages to freedom.

By Patrick Walters  PHILADELPHIA  One of the two aid workers rescued by Navy SEALs in Somalia attended a religious college in suburban Philadelphia and "fell in love with Africa" while doing student teaching in Nairobi, the head of the school said today.

(As Prepared for Delivery)

Mr. Speaker, Mr. Vice President, members of Congress, distinguished guests, and fellow Americans:

By Jesse Holland and Pete Yost  WASHINGTON  The Supreme Court ruled unanimously today that police must get a search warrant before using GPS technology to track criminal suspects.

The ruling represents a serious complication for law enforcement nationwide, which increasingly relies on high tech surveillance of suspects, including the use of various types of GPS technology.

By Gregorio Borgia and Nicole Winfield GIGLIO, Italy Maritime authorities, passengers and mounting evidence pointed Sunday toward the captain of a cruise liner that ran aground and capsized off the Tuscan coast, amid accusations that he abandoned ship before everyone was safely evacuated and was showing off when he steered the vessel far too close to shore.

Days after being warned by Iran not to return to the Persian Gulf, U.S. naval forces assigned to the John C. Stennis carrier strike group rescued an Iranian fishing vessel from pirates in the Arabian Sea, the Navy said Friday.

By Seth Borenstein  WASHINGTON  It's one thing to make an object invisible, like Harry Potter's mythical cloak. But scientists have made an entire event impossible to see. They have invented a time masker.