By Idrees Ali (Reuters) -The Wagner Group, a Russian private military company, is trying to recruit over 1,500 convicted felons to take part in Russia’s war in Ukraine, but many are refusing to join, a senior U.S. defense official said on Monday. “Our information indicates that Wagner has been suffering high losses in Ukraine, especially and unsurprisingly among young and inexperienced fighters,” the U.S. official told reporters, speaking on the condition of anonymity. The European Union has imposed sanctions on the Wagner Group, accusing it of clandestine operations on the Kremlin’s behalf. P…