Majority shareholders of Russian Aluminum (RusAl), one of the world’s top three aluminum producers, claim a debt estimated to be over $1 billion from the company’s current owner Oleg Deripaska, and believe he has failed to abide by signed obligations. According to the respected Russian business newspaper Vedomosti , Deripaska was brought into RusAl in 2001 by veteran international metals industrialist Michael Cherney, who has lived in Israel since 1994 ...