US marks 9/11 attacks amid drumbeat of political violence
The remembrances today are being held during a time of increased political tensions.
By Carla Babb
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Before he was a hero on 9/11, he was a hero in Vietnam
In Vietnam's Ia Drang Valley and at the World Trade Center, Rick Rescorla helped others get out alive.
By Robert Batemen
Coast Guard to get first MQ-9 drones
Current and former officials are heralding the move as a game-changer in the fight against smuggling.
By Carla Babb