Less than half of those polled - 49 percent - said they agree with his stand on health care. That is down from 57 percent in April.

• 民调中49%25，即不到一半的受访者表示，他们赞同奥巴马总统在医疗改革问题上的立场。这个比例低于今年4月份57%25的支持率。