This is why they don't want to sell the Double Manhattan in pubs anymore.
Double Manhattan Drink
Explanation
Explain Bear
Alright, listen up, buttercup. This joke implies that selling a "Double Manhattan" drink is now a no-go because of the Twin Towers tragedy. You know, the World Trade Center buildings that got wrecked back in 2001? Too soon? Nah, for you, it's probably just right.