21.   Switching planes in Los Angeles, she checked in with her office and was told that President Clinton was about to make an announcement that would change her life.

22.   The company switched in October to its new business model and new revenue recognition policy to hide that fact, they said.

23.   The momentum, however, switched in the fourth when the Brewers scored four runs and launched three homers off Hill.

24.   The order of the two amino acids, proline and lysine, was switched in Humalog.

25.   The Russians, who switched presidents in a pre-millennium changing of the guard, proved they could party with anyone.

26.   The Vehicle Identification Numbers were switched in Canada.

27.   When she finally switched to the outside in the homestretch, it was too late, and Kayrawan was too fast.

28.   When we switched in the second half, the players were more comfortable and confident on the ball.

29.   When they switched to female guests in a hot tub, the show took off.

30.   Or the killers may have been following little-used rules about punishment for those who switch sides in drug gangs, local media say.