WASHINGTON (Dec. 22) - John Kerry and Joseph Lieberman have the most support among Democrats when asked about the field of likely 2004 candidates for the Democratic presidential nomination, a poll suggests. But Hillary Rodham Clinton would lead if she were to enter the field. Among the current field of likely candidates, Democrats put Sens. Kerry of Massachusetts and Lieberman of Connecticut at 16 percent followed by Rep. Dick Gephardt of Missouri at 10 percent, with others in single digits. Twenty-four percent said they were unsure. In an expanded field that included Clinton, the New York senator was the choice...