Communal tables spilling out onto cobbled streets, stacked burgers served on crisp white linen tablecloths, and Parmesan-towered fries served with an ice-cold martini (that will be $25, please). If you’ve walked London’s streets lately, you might begin to think you’ve acquired the superpower of teleportation. But no: the Big Smoke really is beginning to feel unmistakably like the Big Apple. While ...