The simple way to show that anyone on TV (besides e.g. "Democracy Now") got it right by a particular date would be to link to a recording or transcript of an example.
Here's the NY Times less than a month into the invasion noting that no active chemical weapons program had been found and that the administration's words seemed to be shifting about whether they believed it would ever be found: https://www.nytimes.com/2003/04/05/world/a-nation-at-war-ill...