By Alex Lauer “I was supposed to fly out Sunday night. We should be on the road right now. Weather’s perfect, snow is down, the passes are open. We should be driving up the frozen river right now,” says Jeff Willner. “We’re not.” The frozen river he’s talking about is the Kolyma in the northeastern corner of Russia. If all had gone according to plan, Willner and a group of adventurers under the banner DefenderX were supposed to be on the second leg of a record-breaking expedition, one that included driving two Land Rovers across the world from London to New York, including amphibious crossings…