Europe Factors-Shares seen higher ahead of Greek deal

LONDON, March 8 (Reuters) - Europe's equity markets are seen opening higher on Thursday, with investors positioning themselves for more upbeat news on the U.S. economy and betting Greece will be able to carry off a key bond swap needed to avoid a chaotic default. Major banks and pension funds threw their weight behind Greece's bond swap offer to private creditors on Wednesday, making it increasingly likely that the deal will go through and clear the way for a bailout package. A slight