Tucker Carlson aired a video of him at a Russian grocery store, appearing to fawn over everything from the shopping cart mechanism to the price of groceries - skipping over the part where US dollars stretch a lot farther than the ruble. In the video, Carlson was amazed to see that the shopping carts in front of the supermarket required people to put in a ruble coin, which they'd then get back when the cart was returned. Carlson acted like he'd never seen this feature before - despite it being pretty common across the US and most of Europe. He...