In the rise of naked partisanship, increasing economic and regional stratification, a channel for every taste, all of this makes this great sorting seem natural. even inevitable. and increasingly, we become so secure in our bubbles that we start accepting only information whether it s true or not that fits our opinions instead of basing our opinions on the evidence that is out there. and this trend represents a third threat to our democracy. politics is a battle of ideas. that is how our democracy was designed. ....