Edwards endorses Obama. Key court ruling today over gay marriage in CA. Grieving the dead and helping the living in China. CBS News Correspondent Nick Young has today's World News Roundup.

Hillary Clinton wins big in West Virginia, but still trails Barack Obama. Time is running short for quake survivors who remain trapped in China. President Bush begins a Mideast peace mission. CBS News Correspondent Nick Young has today's World News Roundup.

Frantic rescue efforts continue as the death toll climbs in China. More aid gets into Myanmar, but is it getting to those who need it? Hillary Clinton expected to win big today in West Virginia. CBS News Correspondent Nick Young has today's World News Roundup.

Thousands killed as a strong earthquake rocks China. U.S. plane allowed to land in Myanmar, but aid workers are still being kept out. Cleaning up from deadly weekend tornadoes from Oklahoma to Georgia. CBS News Correspondent Nick Young has today's World News Roundup.

Frustration grows as relief efforts are blocked by Myanmar's government. Severe storms in the Southeast. The link between marijuana and depression. The job outlook for college grads. CBS News Correspondent Nick Young has today's World News Roundup.

The crisis deepens in Myanmar as desperately needed aid only trickles in. Hillary Clinton vows to fight on amid growing calls for her to quit. A Congressional probe into controversial drug ads. CBS News Correspondent Nick Young has today's World News Roundup.

Obama scores a solid victory in North Carolina while Clinton gets only a slim win in Indiana. Concerns mount about the fractured nature of the party. CBS News Correspondent Nick Young has today's World News Roundup.

Decision Day in Indiana and North Carolina. 22,000 known dead from Myanmar cyclone. Executions resume in the U-S this evening. CBS News Correspondent Nick Young has today's World News Roundup.

The Democrats who want to be president take aim at Indiana and North Carolina today, just ahead of the next primary. Gas Prices continue to rise, and a new CBS News Poll shows many Americans oppose the idea of a Gas Tax holiday. Thousands are dead after a cyclone hits Myanmar. CBS News Correspondent Nick Young has today's CBS World News Roundup.

The economy sheds 20-thousand jobs in April, and the unemployment rate dips to 5 percent. The Feds propose a crack-down on the credit card companies. A famous American song turns 100. CBS News Correspondent Steve Kathan has today's World News Roundup.