Amid a national reckoning with structural racism and the dangers of white supremacy, author Heather McGhee’s new book details how racism in the United States hurts not just people of color but also white people. In “The Sum of Us: What Racism Costs Everyone and How We Can Prosper Together,” McGhee details how zero-sum thinking has worsened inequality and robbed people of all stripes of the public goods and support they need to thrive.

Georgia Senator Raphael Warnock, whose election in January helped bring the chamber under Democratic control, used his first speech on the floor of the Senate this week to assail Republican efforts to restrict voting rights.

The United States and the United Kingdom are facing international criticism for moving to expand their nuclear arsenals, defying a growing global movement in support of nuclear disarmament. The U.S.

Martial law has been declared in more parts of Burma as the military junta intensifies its crackdown following the February 1 coup. At least 217 protesters have been killed and over 2,000 have been arrested or detained since the coup began, according to one Burmese group. Protests are continuing across the country amid a crackdown on communications, in which much of Burma is under an internet blackout and independent newspapers have stopped publishing.