Breaking: The DNC has canceled the Democratic Presidential debate in Los Angeles set for Dec. 10.

"Due to the uncertainty created by the ongoing labor dispute between CBS and the Writers Guild of America, the DNC has canceled the December 10th debate in Los Angeles. There are no plans to re-schedule," said DNC Communications Director Karen Finney.

Developing...

>More from CBS News: "CBS News regrets not being able to offer the Democratic presidential debate scheduled for Dec. 10 in Los Angeles. The possibility of picket lines set up by the Writers Guild of America and the unwillingness of many candidates to cross them made it necessary to allow the candidates to make other plans."

• Earlier

Today: Would CBS really be Bummed?

Nov. 21: Clinton To Honor Picket Line

Nov. 20: What Will CBS Do?