Brazil's ban on YouTube spread to the nation's populous south Tuesday, with a large Internet service provider blocking the site in response to a judicial order banning a sexy video of supermodel Daniela Cicarelli. Spanish-owned Telefonica SA said it blocked the popular video sharing site after receiving the order, preventing millions of Internet users in Sao Paulo and Rio de Janeiro from viewing YouTube. The announcement affecting Brazil's biggest cities and most populous states came a day after telecommunications company Brasil Telecom SA confirmed that it had blocked the site in a swath of the country stretching from the capital of Brasilia to the Amazon full story: ???