BARACK OBAMA - Steve Kroft interviews Barack Obama and 60 MINUTES cameras capture the only behind-the-scenes video of the Democratic presidential candidate's headquarters on Super Tuesday. Bill Owens and L. Franklin Devine are the producers.

HILLARY CLINTON - Katie Couric interviews Hillary Rodham Clinton as the race for the Democratic presidential nomination between her and Barack Obama grows tighter. Robert Anderson, Lori Beecher and Ira Rosen are the producers.

SHOULD WE MAKE CENTS? - The U.S. Mint is in a bind: should it continue to produce pennies and nickels whose metal content is worth more than their face value? Morley Safer reports. David Browning is the producer.