Police officers guard the main door of the agriculture ministry as sugarcane growers protest in Mexico City, Wendesday July 27, 2005. Growers from most of Mexico's 15 sugar-producing states, backed by two powerful labor unions, demanded that Fox sign a bil that guarantees continued upfront payments for cane from sugar-mill owners. (AP Photo/Jose Luis Magana)
A Mexican farmer throws sugarcane towards the entrance of the agriculture ministry after a march through Mexico City's main streets Wendesday July 27, 2005. Growers from most of Mexico's 15 sugar-producing states, backed by two powerful labor unions, demanded that Fox sign a bil that guarantees continued upfront payments for cane from sugar-mill owners. (AP Photo/Jose Luis Magana)
Two Mexican sugar cane growers hold up their machetes during a march through Mexico City July 27, 2005. The march is the first of a series of actions planned to pressure President Vicente Fox not to veto a law designed to protect prices. REUTERS/Henry Romero
A Mexican sugar cane grower brandishes his machete during a march through Mexico City July 27, 2005. The march is the first of a series of actions planned to pressure President Vicente Fox not to veto a law designed to protect prices. REUTERS/Henry Romero Reuters - Jul 27 11:49 AM
Thousands of sugar cane growers marched through Mexico City July 27, 2005. The march is the first of a series of actions planned to pressure President Vicente Fox not to veto a law designed to protect prices. REUTERS/Henry Romero