Amy Ryan
September 22, 2006 AT 12:00 PM EDT

Another PopWatch HeadScratcher to get you through the weekend:

What do these five performers have in common?

Tommy Chong
Dixie Chicks
Al Franken
John Lennon
Kiefer Sutherland

Send your best guess to Be sure to write “HeadScratcher” in the subject line and include your first and last names in your e-mail. We’ll post the most interesting responses Monday afternoon.

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