You're Wrong! I'm Right!by Nicholas Kristof

'Both sides, frequently spend more time demonizing the other side than trying to understand it, and we all suffer a cognitive bias that makes us inclined to seek out news sources that confirm our worldview.A classic study offered free research to  people on both sides , They were eager to get intelligent arguments reinforcing their views, and somewhat interested in arguments for the other side that were so silly they could be mocked and caricatured. But what does seem clear is that rigid ideological beliefs impair our cognitive functions. The best forecasters, in one experiment  are not experts or even intelligence officials with classified information, not liberals and not conservatives, but rather those instinctively empirical, nonideological and willing to change their minds quite nimbly. The poorest marks go to those who are strongly loyal to a worldview.'