The efficacy of the protests are more likely to be hobbled than helped if they are viewed by the populace in Iran as stemming from “stooges” for the West. However much your personal emotional urges might be addressed by more forceful language in support of the protests by Obama, that does not speak to their effect in Iran. The protests must be seen among the populace as stemming from internal forces, otherwise they are almost certain fail (no guarantee of success in any case, but almost a certain guarantee of failure if Obama does what you are saying at this point).

Henry Kissinger even agrees with these basic points, and thinks Obama’s handling the situation correctly:

thinkprogress.org