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CNN
NPR

Minimal ads, no pop-ups, doesn't care if you use an ad blocker

Voice of America
Reuters
The Atlantic
CSPAN
Aljazeera
Associated Press
Deutsche Welle
BBC
Christian Science Monitor

Good while it lasts... will start blocking access after a few articles

Stars and Stripes
The New Yorker

Newsish (oped's and think tanks)

The Electric Typewriter
Pew research
Bulletin of the Atomic Scientists
Federation of American Scientists
Council on Foreign Relations
the Brookings Institute
CATO Institute
the Rand Corporation
the National Bureau of Economic Research
the Center for Strategic and International Studies (CSIS)
Woodrow Wilson International Center for Scholars
Carnegie Endowment for International Peace
New America Foundation

US Government

Library of Congress digital collections
US Bureau of Economic Analysis
US Bureau of Labor Statistics
US Census Bureau

World

United Nations Educational, Scientific, and Cultural Organization
World Health Organization
The Organization for Economic Cooperation and Development