BERLIN (Reuters) - A 52-year-old man from the German town of Darmstadt tried in vain to get a refund for 400 euros ($475) worth of what he said was "bad marijuana" from his dealer before turning to the police for help, according to authorities. The police then charged the man with violating drugs possession laws and confiscated the 200 grams of marijuana he brought with him to the police station, according to a report in Bild am Sonntag newspaper Sunday. "It is un-usable," the man told police in the hope they would help him get his money back. Amounts of...