Republican frontrunner wants "total and complete shutdown" of borders to Muslims after San Bernardino shooting in latest boundary-pushing proposal.
Mainstream US Republican presidential hopefuls such as Rand Paul and Jeb Bush snatch back control from populist ‘outsider’ candidates.
A former top Obama aide speaks out on the factor of racism in the opposition to president Barack Obama.
Glenn Ford, the longest-serving death row inmate in the US, has been exonerated of his murder charge and freed from prison.
Surveillance cameras reveal how the Tsarnaev brothers calmly planted and detonated pressure-cooker bombs.
Barack Obama has been bent on opening a pathway to citizenship for foreigners, even illegal ones.
It began with doctors trying to help their patients but has turned into an epidemic of addiction. Ed Pilkington reports.
Obama has a variety of different routes to victory on November 6, but Romney's hopes are next to moribund unless he wins in Ohio.
The BBC is in the middle of a growing scandal involving a television host who was once one of its highest-profile stars.