War correspondent Marie Colvin traveled to the most dangerous places on Earth to bear witness to the worst of man's inhumanity. Colvin was killed in Homes, Syria, on Wednesday when the house she was staying in was shelled by government forces.

When South Sudan gained its independence from Sudan in July, one of the major sticking points between the two countries was how to handle oil production. Now, more than seven months later, with accusations of "stealing" and "extortion" flying, the issue seems no closer to resolution.

At least 5,000 people have been killed since 2004 in Thailand's three southern provinces amid ongoing mistrust between minority Muslims and majority Buddhists. Kira Kaye reports on efforts to resolve tensions as part of the new Fault Lines of Faith series, produced in partnership with the Bureau for International Reporting.

Eurozone finance ministers on Tuesday granted Greece its second bailout, a $172 billion package aimed at helping the country avoid default. Jeffrey Brown discusses the longer-term concerns of austerity measures and growth with Georgetown University's Scheherazade Rehman and Joao Vale de Almeida, the EU's ambassador to the U.S.

The killings of two Western journalists in Homs among 60 reported deaths across Syria spark further outrage towards the Damascus government.

A commuter train crash at a station in the Argentine capital, Buenos Aires, kills 49 people and leaves at least 600 injured, officials say.

Afghan President Hamid Karzai urges Afghans "not to resort to violence" after protests over the burning of the Koran at a US airbase near Kabul.

Australian Prime Minister Julia Gillard announces a ballot for the leadership of the Labor party to end a damaging split in the organisation.

Supreme Court considers law that makes it a crime to lie about winning military medals.

"They are literally our last line of defense," says Boston City Councilor Rob Consalvo.