The Mystery Man Shadowing Kimberly Guilfoyle as She Pushes Deals Across Europe — WSJ

By Rebecca Ballhaus, Dana Mattioli, Joe Parkinson and Drew HinshawKimberly Guilfoyle was a long way from Mar-a-Lago.The U.S. ambassador to Greece-Donald Trump Jr. former fiancée-was shuttling back and forth to Bulgaria's capital on a mission this spring. The Trump administration wanted allies on Eu…