Ted Robbins

Eight Republican voters — six of them undecided — gathered at NPR's request to watch the televised GOP presidential debate Tuesday night. NPR's Ted Robbins watched with them in Saddlebrooke, Ariz., a retirement community northwest of Tucson, and asked them to share their thoughts.

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Five Air Force Pave Hawk helicopters are parked or landing in the high desert east of Tucson, Ariz. They are transporting victims of a mock earthquake as part of a training exercise called Operation Angel Thunder.

"We were always known for staying really quiet and not really saying much," says Brett Hartnett, who started Operation Angel Thunder five years ago.