Book critic Carlos Lozada declares his pick for the most memorable book of the last year. And Americans share what they believe unites our often-divided country.

Dysfunction junction: Why we have a ‘do nothing’ Congress

Post Reports is the daily podcast from The Washington Post. Unparalleled reporting. Expert insight. Clear analysis. Everything you’ve come to expect from the newsroom of The Post, for your ears. Martine Powers and Elahe Izadi are your hosts, asking the questions you didn’t know you wanted answered. Published weekdays around 5 p.m. Eastern time.