"Where Statesmen and Sportsmen Meet!" And cut deals. "You meet the 'Who's Who' of the Political, Diplomatic, Social and Sports World of America and the World". Meaning, they'll all avoid this place once word gets out.
"At Dinner, 'After Theater' or at Sunday Brunch, this is Washington's 'Mecca' for 'Just Wonderful Food' and Cocktails prepared 'Just Right' at sensible prices."
Someone had been told about the selling power of quote marks, it seems.