How Deutsche's big bet on Wall Street turned toxic

By Edward Taylor FRANKFURT (Reuters) - Deutsche Bank's pursuit of success on Wall Street has come at a high price, a $7 billion (5.71 billion pounds) plus penalty illustrating the extent of its decline since 2008 when its then chief executive claimed it was one of the "strongest banks in the world". Expanding from its roots in Germany dating back to 1870, Deutsche transformed itself into a major player on Wall Street over the past two decades, often taking extravagant bets to do so. "The strateg