STEPHEN ARNELL casts a critical eye over the sudden rash of challenges to the two-party system on both sides of the Atlantic, noting that today’s performative populist politics sadly lacks Roosevelt’s progressive ‘Bull Moose’ vision of the early 20th century

Danni Perry’s flag display at the Royal Opera House sparked 182 performers to sign a solidarity letter that cancelled the Tel Aviv Tosca production, while Leonardo DiCaprio invests in Tel Aviv hotels, reports LINDA PENTZ GUNTER

ROGER McKENZIE asks whether the US’s shift to targeting everyone at once will instil greater co-operation among rising powers

80 years on, JOHN HAWKINS reflects on the terrible lessons of the second bombing — and the way AI is advancing an era of automated destruction

AMIAD HOROWITZ recounts the grisly history of Washington’s use of nuclear, chemical and biological weapons and its refusal to make amends