CBS has released an excerpt from the latest installment of Katie Couric's "CBS Evening News" interview series with Alaska Gov. Sarah Palin (R), and in it Palin explains a campaign trail comment about Sen. Joe BidenJoe BidenManchin to vote to nix Biden's vaccine mandate for larger businesses Congress averts shutdown after vaccine mandate fight Senate cuts deal to clear government funding bill MORE's (D-Del.) age.

Palin told voters that she was looking forward to debating Biden, as she had been "hearing about his Senate speeches since I was in, like, second grade."

When asked by Couric if that was a risky thing to say, given John McCain's own age, Palin said Biden's age was nothing negative and praised the Delaware senator's experience.

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