Barack Obama lands in London for G20

President Barack Obama landed in London this morning on his way to the G-20 meeting of the world's major economic powers. Obama will also be attending a NATO summit to commemorate 60 years of existence. He will be visiting five countries over the eight day European trip.

The main event in London is Thursday's summit on the global financial crisis among the Group of 20 wealthy and developing nations. Together, they represent 85% of the world's economy. Obama will meet with leaders from countries such as India, Russia, China and South Korea while in London.