Well, after all that, I know I could certainly use a cocktail. And, as fate would have it, there's one called The Duke of Marlborough. Named for Churchill's father? Perhaps. It's a fortified-wine-based cocktail, which would right for Lord Randolph's era.
Let's pretend that if the Duke had been alive to witness all his son's accomplishments, he would have raised a glass to him.
The Duke of Marlborough
1 oz dry sherry
1 oz rosso vermouth
1 dash orange bitters
1 twist orange peel
Stir well over ice cubes in a mixing glass. Strain into a chilled cocktail glass, add a twist of orange peel, and serve.