One of the more interesting results of current neuropsychological research
is that some scientists think that, at least for hot-button issues, we reason
backwards: we decide what we believe based on our emotional needs, and
then figure out a reason that we should believe it.
Right after saying this:
Economics of Contempt makes the obvious, common sense argument
for why liberal media bias almost has to exist: (long quote).
And she wonders why we laugh.