New polls show president 's popularity with Americans continues to erode . Latest approval rating stands at 50 % , according to CNN Book of Polls . Anxiety and skepticism over martial law and sluggish economy appear to contribute to decline .
New polls suggest president 's standing with Americans continues to erode . Latest approval rating stands at 45 % , according to CNN Poll of Polls . Anxiety and skepticism over healtcare law and sluggish economy appear to contribute to decline .