21.   But that support eroded.

22.   However, his support may have eroded after he fired Prime Minister Yevgeny Primakov and his Cabinet on Wednesday, the eve of the impeachment hearings.

23.   However, his support may have eroded after he fired Prime Minister Yevgeny Primakov and his Cabinet on Wednesday, the day before the impeachment hearings began.

24.   It was a major victory for a party which had seen its support erode in recent years.

25.   That support has eroded.

26.   That support may have eroded after he fired Prime Minister Yevgeny Primakov and his Cabinet on Wednesday, the eve of the impeachment hearings.

27.   The Greens have seen their support erode with such unpopular proposals as higher gas taxes and autobahn speed limits.