But on this evidence McClane junior hasn't inherited any of his father's charisma or wry wit.

CNN: STORY HIGHLIGHTS

So far, Armstrong's woes haven't affected the charity's ability to raise money, according to Livestrong spokeswoman Katherine McClane.

CNN: STORY HIGHLIGHTS

That's because, according to McClane, the charity's main audience -- cancer patients and their families -- isn't troubled by Armstrong's woes.

CNN: STORY HIGHLIGHTS

Those overseas results may keep John McClane Yippee-Ki-Yaying for years to come.

CNN: STORY HIGHLIGHTS