The location was well chosen -- right next to Berlin's central station with the Chancellery and the Reichstag in sight, a place tens of thousands of people pass each day by car, foot or train. On Monday, Chancellor Angela Merkel's conservative Christian Democratic Union party hung what it claims is the largest billboard ever used in a German election campaign on the scaffolding of a new hotel being built in the capital city. The CDU recently said it would from the actual political issues to the incumbent chancellor herself in the final weeks of the campaign, and the massive new billboard is the culmination of that strategy in the run-up to the Sept. 22 vote.(CDU)22800shift its focus