Severe winter weather across the northeastern United States, a partial government shutdown and security concerns in parts of western Mexico converged to make Monday a challenging time for air travel.

Some Conservatives blame "close-knit clannish structures within isolated, unintegrated communities" for the issue.

The latest twist in the U.S. tariff roller coaster ride, launched when President Donald Trump returned to office 13 months ago and upended dozens of trading relationships with the world’s biggest ...