@CNN: RT @CNNnewsroom: But what exactly IS the 25th Amendment? Few better to explain the measure that Deputy AG Rod Rosenstein is reported to have discussed, than presidential historian Douglas Brinkley https://t.co/nl6j36tEtv https://t.co/3TB8MUknzg

@CNN: RT @CNNnewsroom: But what exactly IS the 25th Amendment? Few better to explain the measure that Deputy AG Rod Rosenstein is reported to have discussed, than presidential historian Douglas Brinkley https://t.co/nl6j36tEtv https://t.co/3TB8MUknzg