Helen Rochford Brennan: “Aggie is one of the kindest people you’ll ever meet.” Photograph: Eric Luke

Helen Rochford Brennan was given a diagnosis of Younger Onset Alzheimer’s three years ago. She is now a leading spokeswoman on dementia who is also(...)

US senator Marco Rubio has announced that he is to seek the Republican nomination in the 2016 presidential election.  Photograph: Jim Lo Scalzo/EPA

US senator Marco Rubio of Florida told top donors that he will run for the White House because he is “uniquely qualified” to represent the Republican (...)

Hillary Clinton announced her campaign for the US presidency in a video posted to hillaryclinton.com.   Photograph: Hillary For America via AP

Hillary Rodham Clinton has officially launched her second attempt to become the first female US president, firing the starting gun on the 2016 pres(...)

Hillary Clinton: I’m getting ready to do something too . . . I’m running for president. Photograph: Pete Marovich/Bloomberg 0:52

Hillary Rodham Clinton on Sunday officially launched another attempt to become the first female president, ending years of speculation and firing the (...)

Former first lady Hillary Clinton is viewed as the Democrats’ best bet of retaining the White House. Photograph: Andrew Gombert/EPA

Hillary Clinton will end months of speculation on Sunday when she announces she is running to become the first female president of the United States,(...)

Hillary Clinton’s campaign is expected to concentrate on making the 67-year-old former first lady relatable to ordinary Americans. Photograph: Mike Segar/Reuters

Hillary Clinton is expected to announce her campaign for the Democratic US presidential nomination in 2016 as early as this weekend, facing no substan(...)

Rand Paul greets supporters after speaking at the Galt House Hotel in Louisville, Kentucky, yesterday. Photograph: William DeShazer/New York Times

Republican Rand Paul, the libertarian conservative senator, has declared a plan to “take America back” from an unpopular Washington establishment in a(...)

 Conservative US Senator Rand Paul announced Tuesday he is running for the Republican Party’s nomination for the 2016 presidential race. Photograph: Mandel Ngan/AFP/Getty Images.

US Sen Rand Paul declared himself a candidate for the Republican nomination for president on Tuesday, aiming to upset the political order in Washingto(...)

Relatives of a crash victim  visiting a memorial in Le Vernet, southeastern France, yesterday. Photograph: EPA/Yoan Valat 1:53

A week after flight 9525 crashed in the French alps, killing all 150 people on board, German investigators have hit out at media pressure to deliver n(...)

Ashley Judd: supporters of a basketball team posted tweets calling Judd a ‘whore’ and threatening her with sexual violence. Photograph: Larry Busacca/Getty Images

Should we worry about Ashley Judd setting the cops on a bunch of Twitter-happy knuckleheads? There are certainly greater threats to the global communi(...)