By Sujata Rao and Lewis Krauskopf LONDON/NEW YORK (Reuters) – Money managers are scanning roiled global markets for bargains after unprecedented Western sanctions propelled Russia into a full-blown crisis, sent oil prices soaring and put monetary policy bets in flux. The wild gyrations that have been a hallmark of markets in recent weeks continued on Monday, as the rouble lost nearly a third of its value, investors sought safety in government bonds and the dollar and major indexes in Europe and the United States pared initial sharp losses. Though few expect the volatility to quiet down anytime…