Lyndon Johnson actually said...

"For a President to buy public popularity at the sacrifice of his better judgment is too dear a price to pay."

"It looks to me like you are going to the wrong convention in Chicago."

"Well, what you overlooked was that it is April Fool."

"It occurred to me that the medium may be somewhat better suited to conveying the actions of conflict than to dramatizing the words that the leaders use in trying and hoping to end the conflict."