Yukon's highway rest stops see plenty of cars, trucks and RVs, but airplanes? Not so much.That's why Adam Skrutkowski was surprised to see a small Cessna plane parked on Tuesday afternoon at a quiet Alaska Highway rest stop at the Lower Rancheria River, between Watson Lake and Teslin.There was no one to be seen nearby, but Skrutkowski had a solid hunch where the people on board had gone. A few miles back, he had passed a couple walking down the highway. He had noticed they didn't have a rifle wi