Open this photo in gallery: Actor and UNICEF Goodwill Ambassador Orlando Bloom holds Patron, a Jack Russell terrier who works as a service dog with the State Emergency Service of Ukraine, in Kyiv on March 25. Within two months of the start of the Russian invasion, Patron found more than 200 explosive devices.UNICEF/Skyba/Reuters Last month, the Japanese ambassador to Ukraine, Kuninori Matsuda, hosted a very special meeting in his office in Kyiv. The guest of honour was not a politician or business leader; in fact, it was not even a human being. Patron, standing approximately a foot tall, and with...