The World's Matthew Bell has the latest on President Obama's Mideast strategy, following today's meeting with Israel's Prime Minister Benjamin Netanyahu.

Today on The World: President Obama meets with Israeli prime minister, Benjamin Netanyahu; Also, retro-fitting post-World War Two houses in Canada to become more energy efficient; Plus, we explore why the United Nations hasn't solved the problem of Western Sahara.

After twenty-six years of violence, the Sri Lankan government has announced that the supreme commander of the Tamil Tiger rebels, Velupillai Prabhakaran, has been killed. There's been no independent confirmation of Prabhakaran's death, but the news, sent to cell phones across Sri Lanka by the government, sparked celebrations on the streets of the capital Colombo. The BBC's Damian Grammaticas is there.