[capt. norm]

But how did he "get her pregnant?"

For obvious reasons many suspect Web Hubbell.

[cgbg]

The Chelsea makeover is yet another in the long list of Clinton “coverups”.

[Vaduz]

BINGO Bill even stated he couldn’t father a child.

[Avalon Memories]

I'm sorry to disagree with a fellow FReeper, but must in this instance. Chelsea and Web Hubbell look nothing alike. Chelsea looks a lot like Hillary with some of Bill Clinton's features. (Even back when she was conceived, the Clintons could have used artificial insemination if they truly were not having sex together.)

In this photo, you can clearly see Chelsea has a feminine version of Bill's chin jawline. She has her mother's eyes and her mouth is smallish like Bill's but with a similar curvature to Hillary's mouth.