President Barack Obama says he makes no apology for seeking the release of Sgt. Bowe Bergdahl from the Taliban in a prisoner exchange that has caused a furor in the United States and has followed the President on his European trip this week. Obama says the US has a basic principle of not leaving any service man or woman behind and said Bergdahl's health had been deteriorating. He says, quote, "we were deeply concerned about it." Obama spoke during a joint news conference with British Prime Minister David Cameron in Brussels.