Voting hides a familiar puzzle. Many people take the trouble to vote even though each voter's prospect of deciding the election is nearly nil. Russians vote even when pervasive electoral fraud virtually eliminates even that slim chance. The right to vote has commonly been won by protesters who risked death or injury even though any one protester could have stayed home without lessening the protest's chance of success. Could people vote or protest because they stop considering their own chances and start to think about an identity shared with others? If what they hear or read affects political...

Voting hides a familiar puzzle. Many people take the trouble to vote even though each voter's prospect of deciding the election is nearly nil. Russians vote even when pervasive electoral fraud virtually eliminates even that slim chance. The right to vote has commonly been won by protesters who risked death or injury even though any one protester could have stayed home without lessening the protest s chance of success. Could people vote or protest because they stop considering their own chances and start to think about an identity shared with others? If what they hear or read affects political...