Democrats Make Historic Pick: It's Obama Democrats officially chose Sen. Barack Obama as their presidential nominee on Wednesday, making him the first African-American to head a major-party ticket. In a show of unity, Hillary Clinton helped send Obama sailing into history by moving that the convention nominate him by acclamation.

Before Obama Nomination, A Roll Call For Clinton Democratic delegates in Denver are preparing to nominate Barack Obama as their presidential candidate. But before that can happen, Hillary Clinton's name will be placed alongside Obama's in a roll call. Clinton has asked her candidates to back Obama. Windows Media RealPlayer

New Orleans Braces For Gustav Facing the threat posed by Gustav, New Orleans is trying to balance an evacuation plan with the need to not cause panic. Mark Schleifstein, of the New Orleans Times-Picayune, says models show the storm strengthening and potentially hitting New Orleans as a hurricane Monday. Windows Media RealPlayer