The dollar was little changed in early U.S. dealings, though dealers said the greenback was under some pressure as the market, more and more convinced that the Iraq war was coming to an end, focuses on economic issues. - The euro was flat at $1.0721 . Against the Swiss franc, the dollar also was unchanged at 1.3865 francs . - The dollar was up 0.20 percent against the yen at 119.97 yen . - U.S.-led forces tightened their grip on Baghdad as Marines seized what they described as the headquarters of Saddam Hussein's secret police in Baghdad. Sentiment grows that Saddam's rule may be over.//