Media outlets that praised Martin Luther King Jr.'s work in the South treated Northern segregation differently.

Those who lived through the Cold War era will remember the horrors of the time: Wearing identification tags to school, practicing duck-and-cover drills and facing the constant threat of nuclear war.

I published Subtle Tools, a book on the erosion of American democratic norms in the face of what came to be known as the ...

Cheaper renewables and natural gas began edging out nuclear generation; the San Onofre nuclear plant near San Diego shut down in 2012, and Diablo Canyon near San Luis Obispo was slated for retirement ...