Reuters: Despite the huge oil spill in the Gulf of Mexico, 57 percent of likely American voters agree that offshore drilling “is still a safe, reliable and cost-efficient method of producing oil,” a Zogby Interactive poll showed. However, 53 percent of respondents also said expansion of offshore drilling would lead to increased environmental problems, according to poll results released late on Tuesday. “These results show again our addiction to oil,” pollster John Zogby …