As I wrote back in 2006 in “Defining Liberalism Down,”
Leftists believe paradoxically that there is no such thing as objective truth but that truth is relative. From this belief leftists will say silly things such as “your truth” and “my truth,” and then they will choose whichever “truth” serves the “public good” (i.e., leftist “truth”) at the moment. This is why their “truth” today frequently contradicts their “truths” yesterday. Leftist “truth” also holds that they are “skeptical of censorship and celebrate free and open debate” — but the truth is, they are happy to resort to censorship and stymie debate when the discussion counters their “truth.” When they do so, they say they are making the discussion “more free.”
Research today discussed in The Examiner find an “honesty gap” between “liberals” and conservatives; the discussion contains the following gem:
The honesty gap is also not a result of “bad people” becoming liberals and “good people” becoming conservatives. In my mind, a more likely explanation is bad ideas. Modern liberalism is infused with idea that truth is relative. Surveys consistently show this. And if truth is relative, it also must follow that honesty is subjective.Sixties organizer Saul Alinsky, who both Barack Obama and Hillary Clinton say inspired and influenced them, once said the effective political advocate “doesn’t have a fixed truth; truth to him is relative and changing, everything to him is relative and changing. He is a political relativist.”
I have catalogued numerous examples of this adherence to politically expedient “truth” here; I will be updating it with the Alinsky quotation.