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(...)

 United States Senator Mitch McConnell, Republican of Kentucky, waves to supporters with his wife Elaine Chao during his victory celebration at the Marriott East Hotel in Louisville, Kentucky yesterday. Photograph: Mark Lyons/EPA 1:30

US president Barack Obama suffered a heavy political defeat as Republicans won back the Senate from Democrats in the US midterm elections, giving the (...)

Republican US senator Pat Roberts cradles a baby after speaking at a Conservative Revival in Gardner, Kansas. Photograph: Dave Kaup/Reuters

Herbie Hopper is standing on a busy roadside in Wichita, Kansas, holding one end of a large yellow flag. It shows a picture of a coiled rattlesnake(...)

A day after President Obama phoned Israeli leader Binyamin Netanyahu demanding an “immediate, unconditional humanitarian ceasefire”, Netanyahu warned of “a lengthy campaign” against Hamas. Photograph: Joshua Roberts/Reuters

The photographs of American troops pushing helicopters over the side of a US warship in 1975 became iconic images immortalising the country’s messy wi(...)

“The Affordable Care Act has faced nonstop attacks from partisans and right-wing media, with mainstream news also tending to harp on the act’s troubles.” Photograph: EPA/Jim Lo Scalzo

How many Americans know how health reform is going? For that matter, how many people in the news media are following the positive developments? I s(...)

US secretary of state John Kerry (right) listens as Egypt’s foreign minister Nabil Fahmy speaks to the media prior to a meeting at the US state department in Washington DC on yesterday. Photograph: Shawn Thew/EPA

A deadline set by the US last year for peace negotiations between Israel and the Palestinians passed without agreement or a framework for possible (...)