21.   The White House compounded the error by developing the plan in secret and foolishly snubbing some congressional Democratic leaders in briefings and photo sessions.

22.   Then Harper compounded the error by fouling Price at the other end on a drive.

23.   Then, compounding the error, they were released the same day and shared the train ride home.

24.   They compounded their error by throwing temper tantrums and threatening to take a walk when they did not get their way.

25.   To compound the error now by abandoning the foreign participants would be disgraceful.

26.   To compound the error, it took me quite a while to convince the manager that he was actually offering all items at just under a penny each.

27.   Though such errors appear small, they can result in significant overpayment when large mortgages are involved or when the error is compounded over a period of years.

28.   We should not compound that error by now assuming welfare recipients can turn into honest workers overnight.

29.   This error was compounded when the prosecutor hinted at these offenses later.