Vietnam’s economy grew by a staggering 8.17 per cent in 2006. What are the chances of Vietnam evolving into a free, prosperous and democratic country? Jeffry Babb reports.Many thousands of tourists visit Vietnam every year for pleasure — it’s now one of the prime destinations for visitors from around the world.Tourists can see the famous water-puppets in Hanoi, the stark karst rock formations of Halong Bay and the former presidential palace in Saigon. Officially, the former South Viet…