As Josh noted over at TPM, Senator Joe Lieberman has just taken the very surprising step of revealing to Newsweek via an aide that he will not use his chairmanship on the Homeland Security committee to aggressively probe the government's catastrophic failings in the wake of Hurricane Katrina — in direct contradiction of statements he made during last year's campaign. In other words, Lieberman's basically letting the White House off the hook for its largest domestic policy disaster to date.

We thought this punt by Lieberman was pretty eye-opening. So we decided to call all the Dem Presidential hopefuls, all the Dems on Homeland Security, and a few Gulf Coast pols to get their reaction to it. More after the jump.

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