Marco Rubio is the biggest Republican star in Congress — conservatives started talking a “Rubio 2012” presidential campaign even before he was elected senator — but, like Hillary Clinton when she first came to the Senate, he has refused all national television interviews since being elected.

Until now.

ABC News embedded with Sen. Rubio — in the cramped basement office he calls “the bunker” and with tea party activists in Florida — for a rare behind-the-scenes look at the life of Washington’s most celebrated freshman.

In wide ranging series of interviews, Rubio talked about the issues and his plans for 2012, and had harsh words for those on the far right who call President Obama a Muslim and question whether he was born in the United States.

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