The Florida senator may be an obvious choice to some, but reports indicate Romney's campaign has not begun vetting him
The New York mayor let his views about the two candidates slip out over a glass of wine – but he's unlikely to do so publicly
Presidential hopeful refused to say whether he would repeal the order but accused president of pulling a political move
Days before crucial talks over Iran nuclear programme, Romney says the president has faltered on relationship with Israel
In Pennsylvania on a battleground-state bus tour, Romney accuses Obama of not wanting to talk about the economy
President gives lengthy speech in Cleveland and says Romney will drive America to ruin with further tax cuts for the wealthy
Romney's team making Obama campaign sweat by engaging and mobilizing voters online – despite being heavily outspent
The latest ad campaign from Barack Obama's re-election campaign highlights how 'out of touch' Republican candidate Mitt Romney is with middle America
Once a moderate GOP governor of Massachusetts, recasting himself as conservative business champion
The 76-year-old congressman's libertarian policies have made him an unlikely rock star of the right
Pugnacious former Speaker of the House who clashed with Clinton, now attempting a political comeback
Find out how each state votes in our comprehensive dashboard, which updates live as voting takes place
Republicans vote for contempt proceedings against US attorney general Eric Holder over Fast and Furious investigation
Jamie Dimon faced a round of hostile questions from Congress over JP Morgan's multi-billion dollar trading losses
Jay Rosen and Amanda Michel: We invite you to help refresh the media's tired templates of campaign coverage to address issues people really care about
Paul Harris: Fueled by Super Pacs, the big ad spend has begun in earnest. Dominating the airtime are attacks on Obama's 'doing fine' gaffe
Conservatives are rejoicing at the tough questioning of government lawyers at the health care hearings. But are they celebrating too soon?
Department of justice says Texas has not proved that new voting laws would not punish Hispanic voters disproportionately
Democratic challenger Tom Barrett concedes defeat to Republican governor Scott Walker in the Wisconsin recall elections
The latest news and comment from our team of reporters, writers and editors in the US
mattseaton: Parting question of the day: do teenagers back down if parents claim 'executive privilege'? Or do they just vote to hold you in contempt?
about 20 minutes agoonthewag: No power for me tonight is likely, according to ConEd. Anyone else? #summerinthecity
about 21 minutes agomattseaton: No disrespect to colleagues' inventiveness, but most viewed on site is open thread on 'what is a yummy mummy?' *Sighs* http://t.co/o6uGwc3H
about 23 minutes agoAna Marie Cox is a political journalist who writes about Washington and national politics. Follow her on Twitter @anamariecox
Ewen MacAskill is the Guardian's Washington DC bureau chief. Follow him on Twitter @ewenmacaskill
Gary Younge is a feature writer and columnist for the Guardian based in the US. Follow him on Twitter @garyyounge
Suzanne Goldenberg is the US environment correspondent of the Guardian and is based in Washington DC. Follow her on Twitter @suzyji
Chris McGreal is the Guardian's Washington correspondent. Follow him on Twitter @chrismcgreal
Oliver Burkeman is a columnist based in New York. Follow him on Twitter @oliverburkeman
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