21.   Now, along comes Saturn to throw a monkey wrench into my neat little world view.

22.   Protease inhibitors throw a monkey wrench in the factories that HIV sets up inside cells in order to reproduce itself.

23.   So who threw the monkey wrench into this teenage paradise?

24.   The Communists also threw a monkey wrench into the gears.

25.   The disrupters can throw a monkey wrench into that finely tuned endocrine system.

26.   The only percussion is a slight pipe-thumping, like someone banging a monkey wrench on a fire hydrant.

27.   The Supreme Court has now thrown a large monkey wrench into the works.

28.   Then Saddam tossed a monkey wrench into the war machine, in the form of a four-page fax to Annan.

29.   They are human monkey wrenches.

30.   This week, UN Secretary General Kofi Annan threw a huge monkey wrench into the UNSCOM machinery.