Vietnams troubles and Africas growth

I read two interesting articles today. First one is on Vietnams troubled economy.
The authors state that besides official corruption, unpopular land grabs, environmental damage and a lack of political transparency, little much needed change in policy is expected. Furthermore earlier hopes that a cohort of reform-minded apparatchiks might replace an older, more staid generation have now been disappointed. All this factors leading to difficulties.
http://www.economist.com/node/17859425

Second one is a chart also from the Economist of Africas impressive growth GDP wise. Even though the GDP levels are still low and Angolas growth, for example, is mainly due to there oil reserves, its still a positive sign from a troubled continent.
http://www.economist.com/blogs/dailychart/2011/01/daily_chart