Dwight Eisenhower actually said...

You cannot stand aside and see America's interest deteriorate throughout the world just by inaction.

I believe that under the circumstances existing at the time that war began, the war was necessary.

I think, ladies and gentlemen, that this is the first time I have asked you into an impromptu press conference.

Those casualties were required from us in order to support our security in the world and to stand firmly behind the cause of freedom.