Canadian wildfire smoke has worsened the air quality in multiple states and irritated the eyes, noses and throats of many Americans.

Manitoba Premier Wab Kinew accused a group of Republicans of throwing a "timber tantrum" and playing "political games" after they called out Canada over wildfires sending smoke billowing across the ...

The Washington Post’s essential guide to power and influence in D.C. In today’s edition: Trump uses tariffs to help out a political ally.