I enjoyed reading Louis (didn’t they call him Luke when he taught literature in New Jersey?) Menand in the New Yorker on how voters decide who to vote for:
[…] Voters go into the booth carrying the imprint of the hopes and fears, the prejudices and assumptions of their family, their friends, and their neighbors. For most people, voting may be more meaningful and more understandable as a social act than as a political act. […]