Vice-presidential candidate says he would ‘gladly serve’ as speaker

House committee to question former secretary of state over deadly 2012 attacks in Libya

Its efforts to derail Democrat candidate have ruined credibility of Benghazi inquiry

Kevin McCarthy stuns party colleagues by withdrawing from race to succeed Boehner

Against falling poll numbers, the Democratic frontrunner has come out swinging at rivals

The speaker’s mind must be racing as he gets set for the big countdown

Republican faced pressure from conservatives over healthcare clinics

Republican has been repeatedly challenged by more conservative wing of party

Pontiff’s extended speech touched on topics that bitterly divide US legislators

Pontiff urges US politicians to embrace new immigrants and tackle climate change

US president unveils ramped-up plan to fight global warming by cutting carbon emissions

Iranian president pins authority on new phase of reconciliation with outside world

Legislation removing emblem of slavery follows passionate debate in state assembly

Minister to raise issue of Irish in US with Speaker of House of Representatives

For a second time, the US Supreme Court upholds the legality of ‘Obamacare’ – much to the outrage of Republicans who still vow to repeal it

Leaked encyclical calls on people to change their lifestyles

Fall of Ramadi raises questions about strategy of avoiding using ground troops

Potential Democratic presidential nominee tells donors of need to help families

The number of Americans without health insurance has fallen by about 15 million

Analysis: Personal pique and testy relations with Netanyahu overshadow foreign policy position