Rubio said his brief stint on the keto diet left him so irritable that he would have been ready to declare war.

Secretary of State Marco Rubio said he once tried a keto diet four to five years ago and it was a near-psychotic experience for him without any sugar and carbohydrates. In an…

Rubio said his brief stint on the keto diet left him so irritable that he would have been ready to declare war.