By Steven Thomma McClatchy Newspapers (MCT) WASHINGTON _ Hillary Clinton won a hard-fought Pennsylvania primary Tuesday, beating rival Barack Obama in a scrappy victory that she hopes will keep her underdog campaign alive to fight another day. The New York senator was carried to victory by whites, women, the working class and the elderly _ the third time she’s been ...

By Katherine Yung Detroit Free Press (MCT) DETROIT _ Northwest Airlines and Delta Air Lines showed Wednesday morning why they’re so eager to team up, as both carriers reported losses for the first quarter caused by record jet fuel prices.

By David Ingram McClatchy Newspapers (MCT) RALEIGH, N.C. _ The N.C. Republican Party says it will not back away from a planned TV ad that uses footage of Barack Obama’s controversial former minister, despite objections from the expected GOP presidential nominee, John McCain. The ad, released Wednesday on the Internet, tries to link the minister to two Democratic candidates for ...

By Jack Chang McClatchy Newspapers (MCT) ASUNCION, Paraguay _ A former Roman Catholic Church bishop scored an historic win Sunday in this impoverished country’s presidential election, ending the 61-year reign of the world’s longest ruling party. Thousands of people celebrate the historic win of presidential candidate Fernando Lugo in Asuncion, Paraguay, Sunday, April 20, 2008. The victory ended 61 years ...

By Raviya Ismail McClatchy Newspapers (MCT) BAGHDAD _ U.S. Secretary of State Condoleezza Rice arrived in Baghdad Sunday for an unannounced visit one day after the Shiite cleric Muqtada al-Sadr threatened an all-out war against the Iraqi government.

By Raviya H. Ismail McClatchy Newspapers (MCT) BAGHDAD _ Iraqi Prime Minister Nouri al-Maliki criticized neighboring countries Tuesday as not doing enough to help Iraq root out militancy and pledged to continue his campaign against rogue Shiite Muslim militias.

By Saeed Shah McClatchy Newspapers (MCT) ISLAMABAD, Pakistan _ Pakistan’s new government is negotiating a peace deal with militants in the Taliban-controlled Waziristan region, the rugged mountainous area that’s thought to be Osama bin Laden’s refuge.

By Eric Ferreri McClatchy Newspapers (MCT) RALEIGH, N.C. _ In groups of 32, protestors around the nation will lie on the ground for three minutes Wednesday, an attempt to bring light to gun laws they say are too lax. This will occur at least 80 times in 33 states, and the choice of the day _ one year after a ...

By Robert S. Boyd McClatchy Newspapers (MCT) Jim Bergquist, a physicist at the National Institute of Standards and Technology in Boulder, Colorado, holds a keyboard to control the world’s most accurate clock. It’s based on the “ticks” produced by a single atom of mercury contained at near-absolute zero temperature in the silver cylinder. (Geoffrey Wheeler/NIST/MCT) WASHINGTON _ As scientists learn ...

By Bruce Japsen Chicago Tribune (MCT) CHICAGO _ Social Security numbers, pharmacy records and other personal health data from about 130,000 people covered by health insurance giant Wellpoint Inc. were left open for possible breach on the Internet, the health insurance giant confirmed Tuesday.