The Herald-Leader doesn’t often have a chance to send reporters on assignment to Europe. But when the city of Lexington was named host city of the 2010 Alltech FEI World Equestrian Games, we knew we needed to get a reporter overseas to see how previous host cities had carried out the Games. We wanted to see what lessons Lexington could learn from places like Aachen, Germany, and Jerez, Spain — the last two World Games sites — and what challenges might lay ahead for the Bluegrass in the years before the Games arrive.