Comment

In “Living on the Edge,” George Packer writes about the Iowa caucuses and the New Hampshire primary.

In “Friday Night Lights Out,” David Remnick writes about what Donald Trump understands about America’s politics and its most popular sport.

In “Radical Measures,” Amy Davidson writes about the 2016 Democratic Presidential candidates and the shrinking gap between Bernie Sanders and Hillary Clinton in Iowa and New Hampshire.

In “Obama’s Guns Gambit,” Margaret Talbot writes that the President’s executive actions, though modest, are an antidote to weary capitulation to the gun lobby.

In “The Next Great Famine,” Amy Davidson writes about the Great Famine of 1315-17 and climate change.

In “Bad Cops, Good Cops,” Margaret Talbot writes about Laquan McDonald, Chicago, and the code of silence that exists in police forces.

In “Guns and Terror,” Amy Davidson writes about the Republican Presidential candidates’ responses to the shooting in San Bernardino.

In “Unsafe Climates,” Elizabeth Kolbert writes about this week’s summit, where world leaders must confront the destabilizing consequences of global warming.

In “ISIS After Paris,” Steve Coll writes that a study of insurgencies offers lessons in the aftermath of the attacks on the French capital.

In “Still Standing,” George Packer argues that, by the close of the fourth Republican debate, the outlines of the battle for the Party’s nomination were becoming clear.