WASHINGTON - Casting aside Howard Dean (news - web sites)'s plea to tone down their criticisms, the other Democratic presidential candidates said Monday that revelations the former Vermont governor had an energy task force that met in secret like the Bush administration is further proof he is ill-suited to challenge the president next fall. "The more we learn about Howard Dean's record as governor, the more difficult position he'll be in to criticize the Bush administration," Connecticut Sen. Joe Lieberman (news - web sites) said, responding to an Associated Press story Sunday. AP reported that though Dean has demanded the...