Putin's oil tsar Sechin flying to Vienna as OPEC meets

(Adds dropped word "budget" in paragraph 4) MOSCOW, Nov 17 (Reuters) - Top Russian oil producer Rosneft said Chief Executive Igor Sechin would fly to Vienna on Nov. 25 for an energy market conference, just two days before OPEC meets in the city to debate the plunge in oil prices. The state-backed company declined further comment on Monday, but the surprise announcement raised speculation in oil ...