Scott Walker, governor of Wisconsin: he surged ahead last weekend in an opinion poll in Iowa, a year before parties there nominate their candidates. Photograph: Andrew Harrer/Bloomberg

When Republican governor Scott Walker proposed cutting another $300 million (€214 million) off the University of Wisconsin’s budget and told its teach(...)

US presidential race

The early stages of an American presidential race, as the field fills with the hopeless and the eccentric, can often seem more diverting than conseque(...)

Activists protest near the Manhattan apartment of billionaire and Republican financier David Koch last June in New York City. The demonstrators were protesting against the campaign contributions by the billionaire Koch brothers. Photograph: Spencer Platt/Getty Images

With just 646 days to go, the 2016 US presidential race is already starting up and the ring is packed with various Republicans vying to prove who is t(...)

Senator Ted Cruz,  one of Joe Trippi’s  “nutcases”, is the son of a Cuban immigrant who fought for Castro.  Photograph: Reuters/Yuri Gripas

Rick Perlstein’s The Invisible Bridge: The Fall of Nixon and the Rise of Reagan was among the most gripping books published last year. Anybody old eno(...)

US secretary of state John Kerry, who defended the absence of a high-ranking American leader. Photograph: Rick Wilking/AFP/Getty Images

The Obama White House made the rare move of admitting a mistake by saying that it should have sent a senior leader to join with the heads of 40 count(...)

Former Florida governor Jeb Bush. He  is the first Republican to announce formally that he is exploring a candidacy. Photograph: Andy Jacobsohn/Getty Images

Jeb Bush, the son and young brother of former US presidents, has fired up the next race for the White House by announcing that he will “actively ex(...)

 Signs made by attendees hang at the offices of 32BJ SEIU, a workers’ union, during a viewing party for US President Barack Obama’s speech on evecutive action immigration policy reform last night in New York City. Photograph: Kevin Hagen/Getty Images

What did President Obama announce about immigration last night?In a televised address from the White House, Mr Obama announced a series of executive o(...)

Former US president George W Bush speaks at the launch his new book, “41: A Portrait of My Father”, at the George Bush Presidential Library Center in College Station, Texas. Photograph: Mike Stone/Reuters

George W Bush, the 43rd president, unveiling his new biography of his father, 41st president, George HW Bush – a book he describes as “a love story” –(...)

Senator Joni Ernst: backed by the party establishment as a candidate for the election. Photograph: Daniel Acker/Bloomberg

US president Barack Obama and the newly victorious Republican leadership in Congress have both pledged ahead of their lunch at the White House today (...)

Republican Bruce Rauner gives a thumbs-up after winning the midterm elections in Chicago, Illinois, November 4th, 2014. Photograph; Jim Young/Reuters

If you landed from space this week you might think the United States Capitol in Washington, DC, encased in a new grey cocoon of scaffolding erected to(...)