Focus, the new film starring Will Smith and Margot Robbie, is a giddy love letter to a lost art: not the art of the con man (though it is that, too), but the art of the con-man movie. Con-artist movies are dying off, or at least finding it nearly impossible — like some grizzled, old-school grifter set in his ways — to adapt to the modern world, a place where you’re less likely to get your wallet pinched than to have your PayPal hacked. In Focus, Smith plays just such a grizzled old-school grifter, Nicky Spurgeon, while Robbie plays Jess, a fledgling hustler looking to Nicky for tips (and maybe more — dun dun dun!). As Nicky inducts her into his underworld of scoundrels, cutpurses and flimflam artists, the film nods dutifully to modern cyberscams — ATM skimmers, credit-card fraud, identity theft — but who are we kidding here? What we really want to see from Nicky are the lifts, bumps, slips, drops, flimps, fine-wirers, and tosses. In one scene, he shows Jess the various ways a person can be distracted and then relieved of her valuables — ergo focus — and it starts to look like he’s giving her a tango lesson. This classic sleight-of-hand trickery retains an aura of sexy romance that just doesn’t transfer to online swindlers tapping away at keyboards. There’s a reason the slang phrase cutpurse has a swashbuckling flare, but no one ever calls someone a cardswipe.