Stepwise formation of the bacterial flagellar system

#evolution
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Every so often, some creationist will come out with the claim that flagellum of the bacteria is an irreducibly complex system.  This points to a dead-Jew on a stick designing it- I mean, an unspecified intelligent creator (wink, wink)- designing it. 

The only problem is that we know that the flagellum is not irreducibly complex. It can be shown to form in a stepwise fashion as per the article attached.

Of course, it does seem that it would be easier to find another way to leave a biological clue for design than the flagellum of a bacterium.  That creator is such a tease…