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Their captors have not been identified.
The ad is a coordinated effort between the Ernst campaign and the National Republican Senatorial Committee.
Josh Earnest starts briefing with joke about president's summertime sartorial choice.
Experts say a shift in perception goes a long way toward coping with winter.
Maryland Republican Rep. Andy Harris's wife died unexpectedly Thursday.
More than 600 members of search and rescue teams were working in two destroyed villages.
Obama said Republicans had realized that blocking all progress led Americans to become cynical about government.
NEW YORK (AP) — Joan Rivers remained in a New York City hospital Friday, one day after going into cardiac arrest at a doctor's office.
"I was shocked," said Claude Dalcour, the father of the 10-month-old girl.