"The Teaser” is a preview of the guests we have lined up for the next day – so you know when to tune in (and when to set your alarm!). Guests and times are always subject to change.

6:30AM  The senate race is heating up in Florida: as Marc Rubio picks up GOP endorsements, will Rep. Gov. Charlie Crist change to an independent? We'll ask Adam Smith, Political Editor at the St. Petersburg Times.

7:30AM  Goldman Sachs – who knew what, when, and does it add up to fraud?  We're talking to BusinessWeek's Roben Farzad and our own Christine Romans on what we can expect from Tuesday's Congressional hearing.

8:30AM  The controversial immigration law was signed into law Friday – but is it actually constitutional? We'll ask CNN Senior Legal Analyst, Jeffrey Toobin.

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