Dems Vie for Position in N.H. A day before New Hampshire's primary, the Democratic presidential candidates canvass door-to-door for votes. Polls show Massachusetts Sen. John Kerry in the lead. Former frontrunner Howard Dean is well back in second place. A battle for third place has developed among retired general Wesley Clark, North Carolina Sen. John Edwards, and Connecticut Sen. Joe Lieberman. Hear NPR's Mara Liasson.