From a high-level view, Medical Properties Trust (NYSE: MPT) has an attractive focus. The real estate investment trust (REIT) owns vital medical facilities, like hospitals. However, the REIT ran into trouble not too long ago when it lacked the financial flexibility to handle tenants who couldn't pay their rent. There were very real concerns that the stock could head to zero. Medical Properties Trust has muddled through At this point, however, the healthcare REIT appears to have worked through the worst ...