All too familiar with the gambles of war, Jimmy Kinsey, Kyle Riley and a few dozen fellow soldiers landed in the desert. But for these guys this Memorial Day, the most at stake is a few bucks. The soldiers-turned-high rollers took a private jet to Las Vegas over the weekend for an all-expenses-paid getaway with all the perks normally saved for casinos' richest regulars. They were greeted at the airport by Wayne Newton, chilled backstage with the guys from Blue Man Group and hobnobbed with Sheldon Adelson, the billionaire casino mogul who runs Las Vegas Sands Corp. and paid for...