Biden’s signature reforms jeopardised by Democratic infighting

Threat of revolt delays key vote on $1.2 trillion bipartisan infrastructure package

George Osborne drops portfolio career to become full-time banker

Former UK chancellor is joining boutique advisory firm Robey Warshaw as a full-time mergers and acquisitions banker

Pfizer $150bn takeover of Allergan looks set to be sealed

Merger will create world’s largest drugmaker and renew focus on Ireland’s role in tax inversion

House speaker Boehner quits amid Planned Parenthood row

Republican faced pressure from conservatives over healthcare clinics

Watergate car park has become an icon to shoe-leather journalism

America Letter: Washington media bubble traps reporters in ‘Beltway provincialism’

Democrats and African-Americans give Republican edge over Tea Party rival

Narrow victory for veteran Mississippi senator

Republicans pick Californian congressman as House majority leader

Party whip promoted in snap election following Cantor’s shock defeat

Gilmore ‘optimistic’ US Congress will pass immigration reform

Tánaiste describes recent defeat of Republican leader a ‘setback’ in push for new law

Tánaiste lobbies for immigration reform in unpredictable US political scene

Gilmore pushes case in Washington for Irish immigrants in febrile election season

Eamon Gilmore in US today for talks on immigration reform

Bill to give immigrants path to citizenship stalled in Republican-led congress

Cantor bad, Brat worst

Senior US Republican Eric Cantor tastes defeat at hands of Tea Party challenger

House majority leader defeated by economics professor in congressional primary

Top US Republican beaten by outsider Tea Party rival

Shock result in Congressional primary election a setback for Irish immigration hopes

Republicans still slinging mud at health reform in hope its success won’t stick

The constant harping on alleged failure of Obamacare works as innuendo