CLARK TAKES HEAT AT DEMOCRATS' DEBATE.(MAIN)

Byline: New York Times

PHOENIX -- Retired Gen. Wesley K. Clark, the newest entrant into the Democratic presidential contest, was repeatedly upbraided by his rivals at a CNN-sponsored debate on Thursday night for what they said was a muddled position on whether he would have supported the resolution granting President Bush the authority to invade Iraq.

Howard Dean, the former Vermont governor, first noted that Clark had advised a candidate for Congress last year to support the resolution, then appeared to change his view.

Sen. Joseph I. Lieberman of Connecticut followed up by saying he had been ``disappointed'' in Clark and recited a litany of …