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Betancourt in plea to Farc rebels
Ingrid Betancourt urges Colombia's Farc rebels to free all hostages, as peace marches take place around the world.
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Obama urges focus on Afghanistan
US presidential hopeful Barack Obama says Afghanistan should be the focus of the "war on terror", on a visit to Kabul.
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UK 'must check' US torture denial
The British government should no longer rely on US assurances it does not use torture, a parliamentary report says.
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Argentina drops disputed farm tax
Argentina's President Cristina Fernandez de Kirchner cancels tax rises on farm exports, after months of protests.
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Colombia's Uribe calls off vote
Colombia's leader Alvaro Uribe decides not to call a referendum to determine if there should be a new presidential poll.
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McCain's 'whiner' adviser quits
Phil Gramm quits as a top adviser to presidential hopeful John McCain after calling the US a "nation of whiners".
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US star McMahon sues LA hospital
Former NBC Tonight show sidekick Ed McMahon sues a US hospital, claiming its doctors failed to diagnose his broken neck.
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Human blood vessels grown in mice
Scientists have used human cells to grow new blood vessels in a mouse for the first time, a US journal reports.
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US sets nuclear deadline for Iran
Iran must decide within two weeks between co-operation or confrontation over its nuclear plans, the US warns after talks.
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Brazil police arrest bank thief, find stolen Picasso
Police in Brazil find an engraving by Pablo Picasso stolen in June after arresting a man for a completely unrelated offence.
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Why Obama needs some jokes of his own
Matt Frei, presenter of BBC World News America, thinks Mr Obama needs to respond to humour with some jokes of his own.
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How will the US react to Iran's missile test?
How will the US react to Iran's missile test?
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Murray gets kind draw in Toronto
British number one Andy Murray will open against a qualifier when he begins his summer hard-court season at the Toronto Masters.
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Foreign debate
How presidential candidates line up on foreign policy
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Metal riches
Thieves cash in on Jamaica's metal trade
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Tour pitfalls
Barack Obama's challenges on his international tour
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Alistair Cooke...
...on film as he begins his love affair with the US
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Get James' get up
James Brown's jumpsuits hit the auction floor
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Iraq caveats
Iraq is key issue for presidential candidates
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Mexican navy seizes cocaine sub
Mexico's navy seizes nearly six tonnes of cocaine from inside a makeshift submarine, after the US shares key intelligence.
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Four killed in US crane collapse
Four people have been killed after a massive crane collapsed at an oil refinery in Houston, Texas.
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Colombia rebels seize 10 hostages
The Farc rebel group in Colombia kidnaps 10 people travelling by boat on a river in the north-west of the country.
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UN warns on biofuel crop reliance
UN chief Ban Ki-moon warns the world's leading economies not to invest too heavily in biofuel crops at the expense of food production.
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Cuba reforms turn to state land
Cuba puts more state-owned farm land into private hands, in a move designed to increase lacklustre food production.
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US seeks 'time horizon' on Iraq
Iraq and the US call for an agreement on a "general time horizon" for the withdrawal of US troops from Iraq.
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Volcanos played an important role in the formation of Arizona. While many people are familiar with active above surface volcanos, Arizona has many below surface active volcanos. KJZZ's Mark Brodie talked to an ASU volcanologist about the significance of the volcanic presence in Arizona.
