 By Christoph Steitz FRANKFURT Reuters -German police have taken into custody a 32-year-old Iranian citizen suspected of having procured deadly poisons cyanide and ricin to commit an Islamist-motivated attack, authorities in western Germany said on Sunday. The residence of the suspect in the city of Castrop-Rauxel was searched as part of the investigation, according to a joint press release from the Duesseldorf public prosecutors office and police in the cities of Recklinghausen and Muenster... 