Nation

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U.S. forces stepped up operations Tuesday across a wide swath of the Sunni insurgent strongholds northwest of Baghdad, pounding targets in two cities from the air and supporting Iraqi troops in raids on mosques suspected of harboring insurgents.

"Superman" actor Christopher Reeve, who became paralyzed after a horse-riding accident nine years ago, died Sunday from heart failure. Jeffrey Brown takes a look at the actor-turned-advocate for spinal cord and stem cell research.

Saddam Hussein had no weapons of mass destruction or the immediate capability of producing them prior to the 2003 Iraq War, the chief U.S. weapons inspector for Iraq said in a report released Wednesday.