Bernie Sanders was quoted as saying "We need a political revolution." The only other instance, that I am aware of, of a self-proclaimed socialist making that suggestion was around 1917. How did that work out?
You don't have to look too hard to find the word "socialists" imbedded in "U.S.S.R." Those were the folks that put up walls to keep people in. We put up walls to keep people out. I know of a lot of people that have relocated but I know of none that have left the USA in search of a better life.