Chris Mooney explained recently that there was something wrong with the conservative brain. Perhaps, per a new Pew study, it’s that,

GOP-sympathizers are better informed, more intellectually consistent, more open-minded, more empathetic and more receptive to criticism than their fellow Americans who support the Democratic Party.
“Republicans fare substantially better than Democrats on several questions in the survey, as is typically the case in surveys about political knowledge,” said the study, which noted that Democrats outscored Republicans on five questions by an average of 4.6 percent.

The rest here.