♪ at last >> and etta james' son says that the singer is off a respirator and breathing on her own. the 73-year-old remains in a california hospital, and is in the final stages of terminal leukemia. in iowa, it's the last full day of campaigning before tomorrow evening's caucuses. a live picture as you see right here from davenport, the latest stop for mitt romney. entering the room now with his wife. he is about to host a rally for his presidential bid. we're following that for you. all the presidential candidates are bliting the state today. here is the final poll by the des moines reg...