Rick Lund/MCT
The collapsed bridge where I-5 crosses the Skagit River in Mount Vernon, Washington, on Thursday, May 23, 2013.
SEATTLE-An Interstate 5 bridge collapsed into the Skagit River at around 7 p.m. Thursday evening, dumping at least two vehicles in the waters north of Mount Vernon. » read more
Jay Price/MCT
A mechanic works on one of the Marine Corps' two K-MAX unmanned helicopter sat Camp Bastion in Afghanistan. The two drones are used for supply missions and are proving drones can be used for more than spying and missile strikes.
President Barack Obama on Thursday defended his administrations use of drone strikes to kill terrorists as effective, lawful and heavily constrained, but he also appeared to be laying groundwork for an expansion of the controversial targeted killings. » read more
Complete coverage of the Boston Marathon attacks that killed three people and injured more than 200 others, including the manhunt that followed.
Top secret intelligence reports reveal that U.S. drones have targeted and killed hundreds of suspected lower-level Afghan, Pakistani and unidentified other militants in scores of strikes.
Technological advances might unlock vast natural gas deposits, increase domestic oil production and turn the U.S. into the next Middle East. But, it may not be enough.
One of the nation's most secretive intelligence agencies is pressuring polygraphers to push the ethical and legal boundaries of a program designed instead to catch spies and terrorists.
McClatchy found errors and embellishments in the Marine Corps' Medal of Honor nomination for Dakota Meyer, whose deeds have been retold in a book and numerous news reports.

Happy Memorial Day! (Bill Hogan / MCT) | More top photos from McClatchy
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