US companies carry flag for gay rights

Businesses urge Supreme Court to overturn same-sex marriage bans

The US has forgotten the Vietnamese

Americans tend to think only of what they suffered during the war

Pentagon pitches to young and tech-savvy

Carter is first defence chief to visit Silicon Valley in decades

The EU makes a mess of bioengineered food

Brussels’ plans for a GMO opt-out damages transatlantic trade talks

US drone strike killed western hostages

Barack Obama describes accidental deaths as ‘terrible tragedy’

Hounslow not origin of havoc in New York

Blaming a solitary trader for the 2010 ‘flash crash’ is disingenuous

US warns of risks from deeper encryption

Homeland Security head says national security faces challenges

Marathon data show gender patterns

Women display far higher variance in pace than men

Sport England urges women to be active

Campaigns aim to encourage female participation in sport

US and China: rivals with common cause

The future of the relationship is not predetermined but for the leaders to shape, writes Kevin Rudd

The battle over the US minimum wage

Protests demonstrate gathering pace in the fight for a $15 pay rate

Drought dooms Californian dreams

Desert threatens Los Angeles’ fragile paradise

Obama’s climate change legacy at risk

Oklahoma attorney-general fights White House over role of Environmental Protection Agency

Lack of education stifles US mobility

School system fails to equip poorer children with basic skills

Marco Rubio’s strengths and weaknesses

Youth a help and hindrance for Hispanic US presidential contender

Study says low wages cost US $153bn a year

More than half of all fast-food workers rely on public assistance

Spieth ties record score to win Masters

Texan cards a 70 to complete 18-under total, holding off Mickelson and Rose

Clinton launches run for the White House

Former secretary of state fires gun on campaign for US presidency

Baseball takes fresh look at Rose saga

Game’s chief promises to take lifetime ban under consideration

Walter Scott’s life should have mattered

Casual brutality displayed by policeman supports the complaints of many black Americans