Open this photo in gallery: Russian President Vladimir Putin, left, and U.S. President Donald Trump, right, before a meeting at Joint Base Elmendorf-Richardson in Anchorage, Alaska, on Aug. 15.Kevin Lamarque/Reuters Two men, a single maxim: It’s the land, stupid. There, the similarities end. Donald Trump thinks of land in real estate terms. Vladimir Putin thinks of it in geopolitical terms. That’s why, earlier this year, the U.S. President could conjure up a beachfront resort in Gaza, which he doesn’t control. And that’s why the Russian President is now demanding Donetsk and Luhansk, Ukrainian land he only partially controls. There aren’t...