They did, it is worth watching, and it most definitely
does not make the claim that Keller scuttled the story because he wanted GW to win the election.
I've never heard anyone except user Luma at the top of this HN thread make that claim.
If anything the time and energy devoted on this thread to disputing an apparently hastily-written and not fact-checked claim is evidence for why serious journalism (and a good editor!) is worth its weight in gold.