Questions can be crystallizing for candidates and voters, and some politicians have had their finest moments answering tough questions on their feet.

© Photo illustration by Tam Stockton for The New York Times; source photograph by Ruth Fremson/The New York Times

Questions can be crystallizing for candidates and voters, and some politicians have had their finest moments answering tough questions on their feet.

It is more important than ever in an era of grossly excessive punishments and mass incarceration.

Trying to come up with a viable alternative to the Affordable Care Act would probably just mean reinventing it.