UBS AG (UBSN) and billionaire Igor Olenicoff are scheduled to clash in court today over his claim that the bank bears blame for his failure to declare $200 million in offshore accounts on U.S. tax returns. Olenicoff, 69, a real-estate developer, pleaded guilty in 2007 to filing a false tax return, admitting he didn’t tell the Internal Revenue Service about his offshore accounts for seven years. He was sentenced to two years’ probation and ordered to pay $52 million in back taxes, fines and penalties. In 2008, he sued Zurich-based UBS, the largest Swiss bank, claiming it traded excessively in his accounts, engaged in ... (full story)