The passing of a cold-war icon could eventually cue up a generational change.
Syria's military is likely to win the 5 ½-year-old civil war. But its brute-force tactics will make national reconciliation difficult.
Fidel Castro whipped up a frenzy of anti-Americanism for more than a half century. But the US has learned lessons from it.
The president-elect's shift on climate change might be as much about practical politics as about saving the planet.
Fairer electoral districting could be a partial balm for political polarization.
The launch of a new satellite is a leap forward for weather forecasts – and for the international cooperation that forecasts require.
America has been deeply shaped by liberal cultural and political forces in recent years. The prospect of change has been jarring.
Better relations between the US and Russia would be good for each nation. But differences in values and interests can't be ignored.
Because of concern among establishment Republicans about the nature of a Trump presidency, filling key positions is proving difficult.
The Islamic State has done terrible things to innocent people. And it has tried to erase the past. Both practices must be defeated.