During the 2008-2009 Israel-Gaza conflict, Gush Shalom was a vigorous critic of the operation within Israel.

To justify the new crackdown, Government leaders, including the President, portrayed their more vigorous critics as radicals.

Mr. Liu, whose writings are widely known in China, has been a vigorous critic of party corruption.

Gladstone was no imperialist and had been a vigorous critic of the annexation from the start.

She plans to address the American Medical Association, in which some of her most vigorous critics are members, at its convention in Chicago on Sunday.

Parliamentary leaders have suggested the names of two of the deposed President's most vigorous critics, one from the left and the other a conservative.

Campbell was a vigorous critic of whaling.

Congressman Gustavo Petro, a vigorous critics of the paramilitaries, said: "What we see is the state and justice submitting themselves to narco-traffickers.

The most vigorous critics of the Bush administration do claim that the government is using its new powers to protect itself from scrutiny.

Macqueen was a defender of white West Indian interests and vigorous critic of the anti-slavery movement.