Digital Realty Trust has outperformed in a tough environment for real estate. Will it keep it up?It wasn't that long ago when investors basically left Digital Realty Trust (DLR -3.39%) for dead. High-profile short-seller Jim Chanos called the major data center real estate investment trusts (REITs) his "big short" idea in 2022 -- but he didn't anticipate the coming artificial intelligence (AI) explosion.What a difference a couple of years make. Digital Realty is one of the best-performing real estate investm ...