It was business as usual down in the Financial District on a recent Wednesday afternoon. Wall Street wags were clustered al fresco on their lunch breaks. Ferries docked and departed from their creaky slips at Pier 11. Tourists clogged the cobblestone corridors of South Street Seaport. And on the second floor of an East River office tower, the editors of America’s most notorious tabloid sat around a conference table picking out their next victims.