Republican presidential hopefuls Ben Carson and Donald Trump: a poll on Tuesday show Carson with a 26 to 22 per cent lead over Trump nationally in the race for the party’s candidacy. Photograph: Frederic J Brown/AFP/Getty Images

It’s first-time candidates Ben Carson and Donald Trump versus everyone else tonight, as the Republican Party has its third debate (8pm eastern time; (...)

Pope Francis arrives to give a mass in Holguin, Cuba, a cradle of Catholic faith and home of Fidel and Raul Castro. Photograph: Rodrigo Arangua/AFP/Getty Images

During the visit of Pope Francis to the US, which starts on Tuesday, the pontiff will address a group of 200 poor and sick beneficiaries of Catholic c(...)

Republican presidential hopefuls Donald Trump (left) and Jeb Bush high five during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California. Photograph: Frederic J Brown/AFP/Getty Images

Republican frontrunner Donald Trump drew fire from rivals during the party’s second presidential debate over his campaign insults with Carly Fiorina, (...)

Seventeen Republicans, led by outspoken billionaire Donald Trump, are seeking the party’s presidential nomination. Photograph: Frederic J Brown/AFP/Getty Images

The head of the Republican Party has said its presidential candidates are unlikely to attack each other in the party’s first official debate but inste(...)

Ahead of the field: Donald Trump in Texas on Thursday. He said he’s confident of winning the Hispanic vote. Photograph: Matthew Busch/Getty

On Tuesday the Republican senator Lindsey Graham, one of 16 candidates seeking his party’s presidential nomination in the 2016 US elections, appear(...)

US Supreme Court . . . although conservative-led is now under fire from Republican presidential candidates. Photograph: Karen Bleier/AFP/Getty Images.

There is an entertaining pseudoscientific quality to much American sports coverage. As if the numerical deconstruction of a game and ability to put nu(...)

Lindsey Graham, a three-term senator from South Carolina, cited the increasing violence in the Middle East as motivation for his decision to run. Photograph: Win McNamee/Getty Images

Senator Lindsey Graham, a foreign policy hawk, has become the latest Republican to join the party’s fast-growing field of presidential candidates. Mr (...)

US senator Ted Cruz  with his wife Heidi Nelson Cruz and children at Liberty University in Lynchburg, Virginia, on Monday, after announcing his intention to run for president. Cruz’s wacko status is precisely  his appeal.  Photograph: Jay Paul/Bloomberg

Liberals, political reporters and people who revel in the general recurrent ridiculousness of American politics could not hide their delight in the ir(...)

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(...)

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” –(...)