Hillary Clinton at Texas Southern University, Houston, where she delivered her most aggressive speech since she announced she was running for president.  Photograph: Pat Sullivan/AP Photo

Republican senator Ted Cruz was firing up conservatives gathered to support his colleague Pat Roberts, who was struggling to hold on to his US Senate (...)

Former Texas governor Rick Perry at the announcement in Dallas yesterday of his candidacy for US president in 2016. Photograph:  Ron Jenkins/Getty Images

With 521 days to go until the US presidential election, the field is already packed with candidates. Far more Republicans have declared; among (...)

Republican presidential candidate and former Texas governor Rick Perry formally announces his candidacy for the 2016 Republican nomination for president at an event in Addison, Texas. Photograph: Mike Stone/Reuters

Former Texas governor Rick Perry announced on Thursday he will pursue the Republican presidential nomination again in 2016, seeking redemption for a f(...)

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 (...)

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(...)

Isabela Speedon, a medical assistant, puts clean sheets on an examining table at the Whole Woman’s Health Clinic in McAllen, Texas. The US supreme court on October 14th blocked a federal  ruling that had forced the closure of abortion clinics where doctors did not have admitting access at nearby hospitals, instead allowing them to remain open while appeals proceed. Photograph: Delcia Lopez/The New York Times

Thirteen abortion clinics in Texas have been allowed to reopen after the US supreme court blocked restrictions imposed by a state law that threatened (...)

Texas governor Rick Perry will likely run for the US presidency on the basis that he knows how to create prosperity. Photograph: Doug Mills/The New York Times

Governor Rick Perry of Texas is running for president again. What are his chances? Will he once again become a punchline? I have absolutely no idea. T(...)

Texas governor Rick Perry who has been  indicted  by a grand jury in Texas on two counts of abuse of power and coercion over a funding veto he made last year. Photograph: Reuters

Texas Governor Rick Perry was indicted last night by a grand jury in Texas on two counts of abuse of power and coercion over a funding veto he made (...)

Undocumented migrant children look at a map of Mexico at the La 72 shelter in Tenosique, Mexico. Photograph: Meridith Kohut/The New York Times

Texas governor Rick Perry said yesterday he planned to send 1,000 Texas National Guard troops to the Mexican border to boost security during a surge (...)

Minister for Jobs, Enterprise and Innovation Richard Bruton said he expects about six multinationals that he met on a US trade mission to expand their Irish operations creating hundreds of jobs.

Minister for Jobs, Enterprise and Innovation Richard Bruton said he expects about six multinationals that he met on a US trade mission to expand their(...)