I believe the word you're looking for is "debunk"
...as in "debunk the Bush Administrations many 'misstatements' about the rationalization for the war."
Current Events » in reply to It's clear the only desperation eperienced is by the left in the attempt to quash any justification for the war.
...as in "debunk the Bush Administrations many 'misstatements' about the rationalization for the war."