BY Florence Mugarula, The Citizen, Tanzania - Almost all major opposition parties in Tanzania have promised to deliver a new constitution. They have made this part of their strategy to woo voters to choose them in the October 31 elections. Some of them have promised a major overhaul of the current constitution so as to make it more appropriate.They argue that the existing constitution is aged and outdated. They point out that there are major oversights it the current constitution, noting for instance that despite amendments from time to time, it still describes Tanzania as a socialist country.