A young Wisconsin girl, who would have died a few years ago without a bone marrow transplant, has finally met the man whose donation ended up saving her life. Three years ago Mira Erdmann was diagnosed with a very rare auto-immune disease that affects about one in a million people. Doctors told her parents that their only hope was a bone marrow transplant, and even with one the chances of survival were very slim. Luckily for the Erdmann family there was a donor an ocean away. Christian Werth, of Germany, found out he was Mira's match just three months after...