Workers clean the stage before the  Democratic presidential primary debate at the Fox Theatre in Detroit on July 30th. Photograph: Erin Schaff/The New York Times

The suspense was high. The hour was late. The questions about the next Democratic debate were many: Ten candidates or 11? Two nights or one? One billi(...)

Democratic presidential candidates  Bernie Sanders and Elizabeth Warren. Photograph:  Justin Sullivan/Getty

It has hosted music stars from Elvis Presley to Frank Sinatra, from Stevie Wonder to Diana Ross. But on Tuesday night the historic Fox Theatre in dow(...)

Kamala Harris’s attack on Joe Biden over his record on race  is likely to be the defining moment of this debate. Photograph: Drew Angerer/Getty Images

The second night of this week’s Democratic debate in Miami always had the potential to be the more significant of the two. Though the line-up was sel(...)

Democratic presidential candidate and former Colorado governor John Hickenlooper speaks during the California Democratic Convention in San Francisco, California on June 1st. Photograph: Stephen Lam/Reuters

The next US presidential election may be 17 months away, but the race to become the Democratic nominee is well under way. In echoes of the Republican(...)

Former US vice-president Joe Biden campaigning  in Berlin, New Hampshire, on Tuesday, as he unveiled a climate plan. Photograph: Elizabeth Frantz/The New York Times

When Joe Biden was Barack Obama’s vice-president, their administration brokered the landmark Paris climate accord and imposed the nation’s first feder(...)

Mourners attend a candlelight vigil for Garrett Swasey, a  police officer killed in the Planned Parenthood shooting. Photograph: Nick Cote/The New York Times

The attack at a Colorado Planned Parenthood clinic that killed a police officer and two other people suggests that both sides of the abortion d(...)

Relentless rains pounded flood-ravaged eastern Colorado for another day, triggering more evacuations and warnings as rescuers tried to reach thousands(...)

A man stands in front of a medical marijuana dispensary in Los Angeles, California. Voters there have strongly supported a measure to sharply curtail the number of medical such dispensaries  in Los Angeles. Photograph: Jonathan Alcorn/Reuters

While we were busy eliminating smoking by making the packets look like cool posters from the golden era of Italian horror, something considerably more(...)