Reuters: BP Plc engineers searched on Sunday for ways to control gushing oil from a ruptured Gulf of Mexico well after a setback with a huge metal containment dome dashed hopes for a quick, temporary solution to a growing environmental disaster. BP was pondering its next move after a buildup of crystallized gas in the dome forced engineers to suspend efforts to place the four-story chamber over the rupture, the company’s best short-term solution to containing the spill. The mammoth dome …