From GrubStreet NewYork Here's something you might not know: McDonald's employs a "director of sensory science." (We wonder what her senses would tell her about the bathroom at the McD's on First Avenue in the East Village.) You see, now that chains like Five Guys and Smashburger are making people realize that fast-food burgers don't necessarily have to taste like burnt tar, McDonald's is, according to Bloomberg, "being forced to open up about the provenance of its beef, potatoes and more." Which isn't necessarily a great thing when you're a giant company focused on making and selling your food as cheaply as possible. But, according to the Bloomberg story, the company is doing everything in its power to convince people that their food — and especially their French fries — is actually pretty tasty. You've probably seen those ads that profile McDonald's suppliers, which aim to remind potential customers that the chain...