With its continuing weak economy and the growing power of China and other countries, America's role as the pre-eminent power in the world has changed in the past few years.

Britain's Queen Elizabeth shakes hands with former Irish Republican Army commander Martin McGuinness for the first time, drawing a line under a conflict that cost thousands of lives.

Myanmar politican Aung San Suu Kyi meets French President Francois Hollande in the latest leg of her 17-day European tour.

Tibi Galis shares some lessons he has learned from situations where risks were present but genocide and mass atrocities did not occur.

Lord Coe, Chair of the London Organising Committee of the Olympic Games, carried the Olympic torch through home city of Sheffield.

Mexican doctors have successfully removed a tumour weighing 15 kilograms (33 pounds) from a two-year-old boy. They expect Jesus Gabriel to make a strong recovery.

Assailants attack the offices of Microsoft in Athens, setting off an incendiary device and damaging the building entrance.

Delivering a speech directed at his new government on state television, Syrian President Bashar al-Assad said his country was in 'a real state of war.'

Gordon Chang, Forbes, says China's economy is on the verge of collapse.

One of the key metrics for success in Afghanistan was the 'burn rate' -- how much money the U.S. Agency for International Development spent -- rather than looking at what had been accomplished.

A panel discussion of the impact of the Syria and Turkey conflict.

Tensions between President Barack Obama and Russia President Vladimir Putin are making it more difficult for the two countries to find common ground on issues like Syria and Iran.

Inside latest effort to thwart Iranian nuke program.