As the US beefs up its military presence in the Persian Gulf region, Pentagon strategists estimate that they would need less than a month to defeat Iranian forces should a military conflict take place. US Central Command (CENTCOM) believes it can destroy or significantly degrade Iran's conventional armed forces in about three weeks using air and sea strikes, a defense source told The Washington Post. "We plan for any eventuality we can and provide options to the president," Army Lt. Col. T.G. Taylor, a spokesman at CENTCOM told the newspaper. "We take our guidance from the secretary of defense and...