Wael’s viewSaudi billionaire Prince Alwaleed bin Talal has often been described as the “Warren Buffett of the Middle East.” He has picked winners — including Apple, Amazon, Citigroup, and Twitter — that cemented his status as one of the region’s most successful investors, and he’s touting SpaceX as his latest triumph.But the investors in his listed conglomerate that houses these stakes haven’t enjoyed Berkshire Hathaway-style returns. Kingdom Ho…