Now, some news from the presidential campaigns. The Republican and Democratic fields are elbow-to-elbow and getting more crowded.

Former House Speaker Newt Gingrich says it's a great possibility - those are his words - that he'll join the GOP field. But that won't mean that there will be an 11th podium at tomorrow night's Republican debate in South Carolina. Gingrich says he won't decide for sure until September.

With eight major Democrats in the race, the airwaves are getting more crowded, too.

Democratic Senator Chris Dodd is about to start running campaign ads in states with early primary and caucuses. And if you think it's early yet, others are already running ads like Mexico Governor Bill Richardson, former Sen. John Edwards — both Democrats — and former Massachusetts Governor Mitt Romney, a Republican.

Not all ad campaigns are created equal, of course. Dodd plans to spend $120,000 on his. Former Gov. Romney reportedly spent some $2 million on ads in the first quarter of this year — and now is spending $2 million more.

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