MOSCOW — A group of weary-looking Indian men carrying sports bags queued at passport control at a busy Moscow airport one recent evening after flying over 2,700 miles — and via Uzbekistan — to get work. “I have a contract for one year. In the rubbish disposal business. The money is good,” said Ajit, one of the men, speaking in English. Faced with what the authorities say is an immediate shortage of at least 2.3...










