I like to think I know how it happened, but won't bore you with it all.
Suffice it to say his getting away with his lying with his minions should come as no surprise, since they granted their pols and pundits a license to lie without fear of reprisal long ago. The only real diff between Mutt and others, is more a matter of frequency than substance. THis is why as I noted yesterday in another post, that much of their support stems from the need for validation for and vindication of their support for the last repub liar, which is really in the final analysis, those things being sought for their chosen political ideology and the moral system it represents as well. His lying is little more than a "the ends justify the means" rationale, justified by the threat we godless lefty socialists represent to the financial, physical, and spiritual security of this republic.