when you watch what's happening in ukraine, this all feels good and it feels tell genic, happening ins been, it's very easy to get rid of a bad government. it's very hard to put in place a good government. >> this is when the hard part begins. you have to get all these diverse forces together and come up with constitutional reforms and then address the very economic, social and political issues that drove people to go out -- to turn out in independence square. we've learned through kind of the last 60, 70 years in the dramatic transitions throughout the world, is as sam huntington, your former colleague at harvard wrote, it takes at least three waves. we've seen this in ukraine already. in 1990/ '91 the anti-soviet protest, 2004/2005 the orange revolution and today a decade later you see the uprising at independence square. it takes time as we look at what's happened elsewhere in the world in south africa, black today are worse off than they were under apartheid. the reality is the end of the soviet union you still have a generation later of former communist and kgb chief in power. ch