An expert-approved cheat sheet on how to talk to loved ones (and tolerated-out-of-necessity ones) this holiday.

A polarized era in American politics is now underscored not only by acts of deadly violence, but also by growing debates over free speech and the erosion of other rights protected by the Constitution.

Mr. Witt is the author of “The Radical Fund: How a Band of Visionaries and a Million Dollars Upended America.” As democracy in the United States spirals into a widening gyre of distrust, demagogy and ...