Chris McGreal is (2009) is the Guardian's Washington correspondent.
McGreal started in journalism with the BBC, covering Mexico and Central America. In 1985 he moved to The Independent, and then to The Guardian in 1992. He reported from Johannesburg, South Africa for ten years, and then became The Guardian's Jerusalem correspondent in 2002.
Given his years in South Africa and Jerusalem, McGreal is well-qualified to see the similarities between what Israel is doing to the Palestinians and what apartheid-era South Africa did to non-whites. He has written about this, in the following Guardian articles
See this Wikipedia (English) article