ROME (REUTERS).- Another part of the 2,000-year-old Roman-era site at Pompeii crumbled on Tuesday, provoking attacks on the Italian government from critics who say two collapses in a month underscore a need for urgent action. Officials said a seven-meter (yard) long section of a modern retaining wall in the garden of the “House of the Moralist” at the archaeological site collapsed after heavy rains. The collapse was a new headache for the government of Prime Minister Silvio Berlusconi, which will face a no-confidence motion on other issues on December 14 that could lead to early elections. The opposition has demanded Berlusconi’s