The problems in Iran, on the surface, are the result of a disputed election, but when you dig a little deeper the real difficulty, at its core, is a conflict of beliefs.
To change regimes then, there must be a change of ideas. Since the street protests are to be truly effective, must begin with a different kind of campaign. The situation of the present regime to justify violent repression of force tries. If you are constantly a threat as a force for to change a system to thwart public Gekantheid actions? The only way to fight against the current regime is that are discover ideas and beliefs, which are at the root of the problem and the attack at this level.