(AGI) Rome, June 24 - Mexican President Enrique Pena Nietojoined in celebrating Mexico's qualification for the last 16 ofthe World Cup on Monday: "How proud! Today, the preparations,attitude, will and spirit were confirmed...You are great, team!Viva Mexico!" he wrote on Twitter. Miguel Angel Herrera's teambeat Croatia and will meet the Netherlands in the next round.About 40,000 fans poured into the streets of Mexico City tocelebrate the country's seventh consecutive qualification forthe knockout stage of a World Cup. . .