21.   The process has often been painful because progress has been marked by announcements of new problems or discrepancies.

22.   The Perlegen announcement marks a giant leap in gene chip technology.

23.   The tax cut announcement marks the second time in a week Miller has aligned himself with Senate Republicans.

24.   The two announcements mark a change in the way companies like Yahoo! and Excite do business.

25.   Though they were bitter about the long delay in gaining official recognition by the government, Safina supporters said the announcement Wednesday still marked a turning point for Kenya.

26.   When Helms came home last week to tell voters he would not run for another term, his announcement marked the end of an era.

27.   He has dabbled in politics as a commentator and activist, but his announcement Sunday marks his first bid for public office.

28.   Its announcement in August marked the first time a country said it was withdrawing from a basic U.N. human rights accord.

29.   It was not immediately clear when Milosevic would be detained since the announcement marked only the start of a preliminary investigation.

30.   The announcement marked the biggest commitment yet by Britain, the major foot-dragger over the euro.