Relentless rise of consumer debt in Russia fuels bubble fears for some

MOSCOW (Reuters) - Natalia Leontyeva, a Siberian sales manager, bought a second hand car in 2013 with a loan worth about four monthly salaries. She now owes the equivalent of at least four years of earnings, one of a growing number of Russians struggling with debt."You pay one month's instalment, then the second. But then something happens again and it all piles up," she said by phone from the city of Novosibirsk in Siberia where she works at a steelworks.After five years of shrinking real..