By Carlos Calvo MEXICO CITY, May 19 (Reuters) - Protests in Brazil and delays in building stadiums are putting the World Cup next month at risk and prompting tourists to stay away, soccer great Pele said on Monday. Brazil's tournament organizers have faced headwinds since the country was tapped to host the World Cup in 2007. Hundreds of thousands of Brazilian protesters took to the streets during the Confederations Cup last year over the high cost of the sporting extravaganza, as well as against taxes, inflation, corruption and poor public services. Pele, a triple World Cup winner and special advisor of the World Cup organising committee, was in Mexico City giving a news conference when he was asked if the protests in Brazil could jeopardize the tournament. Click here to read full news..