away, there are new poll results out of two key battle ground states. in florida, a cnn/orc survey has president obama leading with 50% and romney with 46%. it is within the 5% margin of error. and in north carolina, where the democratic convention will be, 48% mitt romney, 47 obama. there are new signs of the romney/ryan strategy of attacking obama on medicare may be working. a "washington post"/abc polls asks who do you trust more to handle medicare? romney holds a narrow lead, though still within the margin of error. the same question by cnn/or rc shows a stat cal tie, obama 49%,